20x-20=4(x-16)怎么解

问题描述:

20x-20=4(x-16)怎么解

20x-20=4(x-16)
20x-20=4x-64
20x-4x=20-64
16x=-44
x=-2.75

20x-20=4(x-16)
5x-5=x-16
4x=-11
x= -11/4