七年级数学上册解方程专项练习题20

2024年4月7日发(作者：初中数学试卷题目讲解)

七年级数学上册解方程专项练习题20

7年级数学上册解方程专项练题7

1.$frac{x}{6} + frac{2}{x} = frac{1}{49}$

2.$frac{4}{7} + frac{1}{9}x = frac{8}{3} - frac{1}{2}x$

3.$frac{3x-7}{4} = frac{x-1}{5}$

4.$frac{y}{6} - frac{1}{35} = frac{1}{4} + frac{3y}{2}$

5.$frac{3}{2} - frac{3x}{9} = frac{3x-3}{9}$

6.$0.3x - 0.9 = 0.3 - 1.9x$

7.$9x + 2(5+x) = -2$

8.$3.5x - 7(x+6) = 15$

9.$5(6x-5) = 5$

7年级数学上册解方程专项练题5

1.$frac{x}{6} - frac{4}{x} = frac{1}{43}$

2.$frac{8}{5} + frac{1}{9}x = frac{8}{9} - frac{1}{5}x$

3.$frac{4x-6}{9} = frac{x-3}{4}$

4.$frac{y}{5} - frac{1}{46} = frac{2y}{5} + 2$

5.$frac{1}{7}(2x+4) = frac{1}{2}(4x-3)$

6.$0.4x - 0.2 = 6.7 + 5x$

7.$4(x+9) - 7(x+9) = 20$

8.$6x - 4(15+x) = -3$

9.$9x + 8.5(x+9) = 15$

10.$5(4x-4) = 5$

7年级数学上册解方程专项练题7

1.$frac{x}{6} - frac{1}{4} = frac{3}{9}$

2.$frac{8}{5} - frac{1}{5}x = frac{7}{5} + frac{1}{9}x$

3.$frac{2x-6}{5} = frac{8}{4+x}$

4.$frac{y}{5} + frac{2}{45} = -3y-3$

5.$3 + frac{1}{7}(2x+3) = frac{4x-2}{7}$

6.$0.5x - 0.4 = 4.5 - 3.1x$

7.$5(x+4) + 9(x+2) = 1$