48-x=5(12-x)
问题描述：
48-x=5(12-x)
答
48-x=5(12-x)
48-x=60-5x
5x-x=60-48
4x=12
x=3
答
48-x=60-5x
4x=12
x=3
答
48-x=60-5x
－6x=60-48
-6x=12
x=-2
答
48-x=5*12-5x
5x-x=60-48
4x=12
x=12÷4
x=3
答
48-x=5(12-x)
48-x=60-5x
5x-x=60-48
4x=12
x=12÷4
x=3