姓名 ______________________日期 ____________得分 ____ / 12两边都有变量的方程练习两边都有变量的方程 · 1–12解出 x。困难替换1.2(x + 7) = 7x − 6困难替换2.5(x − 4) = 7x − 18困难替换3.6(x − 8) = 8x − 38困难替换4.2(x + 7) = 3x + 18困难替换5.5(x + 8) = 6x + 31困难替换6.4(x − 6) = 2x − 20困难替换7.4(x − 5) = 5x − 25困难替换8.4(x − 3) = −x − 62困难替换9.4(x + 1) = −6x + 74困难替换10.2(x + 6) = 6x − 16困难替换11.5(x − 4) = x − 24困难替换12.5(x + 7) = −3x − 13答案 — 两边都有变量的方程练习两边都有变量的方程1.x = 42.x = −13.x = −54.x = −45.x = 96.x = 27.x = 58.x = −109.x = 710.x = 711.x = −112.x = −6由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷