150道解方程

1. 7(2x-1)-3(4x-1)=4(3x+2)-1;

2. (5y+1)+ (1-y)= (9y+1)+ (1-3y);

3. [ ( 5x)-4 ]=x+2;

4. 20%+(1-20%)(320-x)=320×40%5. 2(x-2)+2=x+1

6. 2(x-2)-3(4x-1)=9(1-x)

7. 11x+64-2x=100-9x

8. 15-(8-5x)=7x+(4-3x)

9. 3(x-7)-2[9-4(2-x)]=22

10. 3/2[2/3(1/4x-1)-2]-x=2

11. 2x-10.3x=15

12. 0.52x-(1-0.52)x=80

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13. x/2+3x/2=7

14. 3x+7=32-2x

15. 3x+5(138-x)=540

16. 3x-7(x-1)=3-2(x+3)

17. 18x+3x-3=18-2(2x-1)

18. 3(20-y)=6y-4(y-11)

19. -(x/4-1)=5

20. 3[4(5y-1)-8]=6

21. 10/3 (x/5+3/7)=9x/2

22. 5/3（x+0.5)+2=3x-6

23. 5x+2(2x/3+2)=2/3(x-6)+2

24. (2x-7)/2-(6x-5)/3=2x+3

25. (3x+2)/5-(x-6)=x/3

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26. 6x-(x/3+2)=2(x/5+5/2)-3

27. 3(x/11-2)-5=2+3x/3

28. 10/3(2x-6)=3/5

29. x/2-(x/3-2)=3

30. 2/3(x+3)-3=5x/3

31. 5/3(2x-5/3)=2x/5-8/9

32. 25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/9

33. (3x+1)/2-2=(3x-2)/10-(2x+3)/5

34. 3x+(x-1)/2=3-(2x-1)/3

35. 4x/40+[8(x+2)]/40=1

36. (5x-1)/4=(3x+1)/2-(2-x)/3

37. (3x+2)/2-1=(2x-1)/4-(2x+1)/5

38. 2(x-2)-3(4x-1)=9(1-x)

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39. 11x+64-2x=100-9x

40. 15-(8-5x)=7x+(4-3x)

41. 3(x-7)-2[9-4(2-x)]=22

42. 3/2[2/3(1/4x-1)-2]-x=2

43. 2(x-2)+2=x+1

44. 5x^2+3x+1=0

45. 7x^2+x+12=0

46. 2x^2+4x+4=0

47. 8x^2+3x+1=0

48. 5x^2+3x+2=0

49. 45x^2+3x+100=0

50. 89x^2+335x+1=0

51. 0.4(x-0.2)+1.5=0.7x-0.38

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52. 30x-10(10-x)=100

53. 4(x+2)=5(x-2)

54. 120-4(x+5)=25

55. 15x+863-65x=54

56. 3(x-2)+1=x-(2x-1)

57. 11x+64-2x=100-9x

58. x/3 -5 = (5-x)/2

59. 2(x+1) /3=5(x+1) /6 -1 60. (1/5)x +1 =(2x+1)/4

61. (5-2)/2 - (4+x)/3 =1

62. x/3 -1 = (1-x)/2

63. (x-2)/2 - (3x-2)/4 =-1

64. 2x-10.3x=15

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65. 0.52x-(1-0.52)x=80

66. x/2+3x/2=7

67. 3x+7=32-2x

68. 3x+5(138-x)=540

69. 3x-7(x-1)=3-2(x+3)

70. 18x+3x-3=18-2(2x-1) 71. 3(20-y)=6y-4(y-11)

72. -(x/4-1)=5

73. 3[4(5y-1)-8]=6

74. 2(x-2)-3(4x-1)=9(1-x) 75. 11x+64-2x=100-9x

76. 15-(8-5x)=7x+(4-3x) 77. 3(x-7)-2[9-4(2-x)]=22

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78. 7(2x-1)-3(4x-1)=4(3x+2)-1;

79. (5y+1)+ (1-y)= (9y+1)+ (1-3y);

80. [ ( )-4 ]=x+2;

81. 20%+(1-20%)(320-x)=320×40%

82. 2(x-2)+2=x+1

83. 2(x-2)-3(4x-1)=9(1-x)

84. 11x+64-2x=100-9x

85. 15-(8-5x)=7x+(4-3x)

86. 3(x-7)-2[9-4(2-x)]=22

87. 3/2[2/3(1/4x-1)-2]-x=2

88. 2x-10.3x=15

89. 0.52x-(1-0.52)x=80

90. x/2+3x/2=7

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91. 3x+7=32-2

92. 3x+5(138-x)=540

93. 3x-7(x-1)=3-2(x+3)

94. 18x+3x-3=18-2(2x-1)

95. 3(20-y)=6y-4(y-11)

96. -(x/4-1)=5

97. 3[4(5y-1)-8]=6

98. 10/3 (x/5+3/7)=9x/2

99. 5/3（x+0.5)+2=3x-6

100. 5x+2(2x/3+2)=2/3(x-6)+2

101. （-7)/2-(6x-5)/3=2x+3

102. （+2)/5-(x-6)=x/3

103. 6x-(x/3+2)=2(x/5+5/2)-3

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104. 3(x/11-2)-5=2+3x/3

105. 10/3(2x-6)=3/5

106. x/2-(x/3-2)=3

107. 2/3(x+3)-3=5x/3

108. 5/3(2x-5/3)=2x/5-8/9

109. 25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/9

110. 2(x-2)-3(4x-1)=9(1-x)

111. 11x+64-2x=100-9x

112. 15-(8-5x)=7x+(4-3x)

113. 3(x-7)-2[9-4(2-x)]=22

114. 3/2[2/3(1/4x-1)-2]-x=2

115. 2(x-2)+2=x+1

116. 0.4(x-0.2)+1.5=0.7x-0.38

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117. 30x-10(10-x)=100

118. 4(x+2)=5(x-2)

119. 120-4(x+5)=25

120. 15x+863-65x=54

121. 12.3(x-2)+1=x-(2x-1) 122. 11x+64-2x=100-9x

123. 14.59+x-25.31=0

124. x-48.32+78.51=80

125. 820-16x=45.5×8

126. (x-6)×7=2x

127. 3x+x=18

128. 0.8+3.2=7.2

129. 12.5-3x=6.5

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130. 1.2(x-0.64)=0.54

131. x+12.5=3.5x

132. 8x-22.8=1.2

133. 1\\ 50x+10=60

134. 2\\ 60x-30=20

135. 3\\ 3^20x+50=110

136. 4\\ 2x=5x-3

137. 5\\ 90=10+x

138. 6\\ 90+20x=30

139. 7\\ 691+3x=700

140. (0.5x+0.9)/0.5+(x-5)/3=(0.01+0.02x)/0.03

141. 3（x-1）=5x+1

142. 5（x-2）=4-（2-x）

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143. 2x-10.3x=15

144. 0.52x-(1-0.52)x=80

145. x/2+3x/2=7

146. 3x+7=32-2x

147. 3x+5(138-x)=540

148. 3x-7(x-1)=3-2(x+3)

149. 18x+3x-3=18-2(2x-1) 150. 3(20-y)=6y-4(y-11)

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