20-120%x=8
问题描述:
20-120%x=8
答
20-120%x=8
20-1.2x=8
-1.2x=8-20
-1.2x=-12
x=10
20-120%x=8
20-120%x=8
20-1.2x=8
-1.2x=8-20
-1.2x=-12
x=10