姓名 ______________________日期 ____________得分 ____ / 12多步方程练习多步方程 · 1–12解出 x。中等替换1.4x + 3x + 15 = −41中等替换2.3(x + 7) + 12 = 21中等替换3.3x − 4x + 8 = 15中等替换4.−5(x − 9) + 3 = 93中等替换5.−4(x + 1) − 6 = −22中等替换6.9x − x + 15 = −33中等替换7.2x − x + 7 = 0中等替换8.6x + 5x + 5 = −94中等替换9.2(x − 7) + 10 = 10中等替换10.4(x + 9) + 1 = 41中等替换11.7x − 4x − 13 = −43中等替换12.−2(x + 2) + 8 = 14答案 — 多步方程练习多步方程1.x = −82.x = −43.x = −74.x = −95.x = 36.x = −67.x = −78.x = −99.x = 710.x = 111.x = −1012.x = −5由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷