姓名 ______________________日期 ____________得分 ____ / 12两步方程练习两步方程 · 1–12解出 x。中等替换1.6x + 25 = 31中等替换2.x7 − 13 = −22中等替换3.3x − 3 = 0中等替换4.x6 + 7 = −2中等替换5.4x − 21 = 11中等替换6.7x + 11 = 25中等替换7.8x + 7 = −1中等替换8.4x + 21 = 5中等替换9.8x + 25 = 9中等替换10.9x − 13 = 14中等替换11.5x − 11 = −51中等替换12.3x − 6 = −33答案 — 两步方程练习两步方程1.x = 12.x = −633.x = 14.x = −545.x = 86.x = 27.x = −18.x = −49.x = −210.x = 311.x = −812.x = −9由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷