B 解一元一次方程习题及答案

解一元一次方程(B) 姓名 ___________学号______得分______________

1. 2x?1?2x?7 2. 4?y?3??2?y?7??6y?10

33 3. 5x?3?3?4x?1?x??117 ?6??14 ?

5. t?1?ttt3?9?27 7. m?m?122?2?m?5 9. 0.7x?0.3.4x?0.10.5?00.3

4. 2x?x?12?8 6. 1?x?2?2x3?15

8. 1.5?0.720.4?0.03x?0.060.3

10.

0.1y?0.1?0.20.3?0.3y0.2?3

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参考答案

1. x?1 2. y??3 3. x?6. x??2 7.m?

512 4. x?5 5. t?2734

117 8. x??1 9. x?4 10.y?2

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