30-2x-3x+15=4x+36怎么移项
问题描述:
30-2x-3x+15=4x+36怎么移项
答
45-5x=4x+36
45-36=5x+4x
9=9x
x=1
30-2x-3x+15=4x+36怎么移项
45-5x=4x+36
45-36=5x+4x
9=9x
x=1