7x-8=2x+27这道题怎么解啊?

问题描述:

7x-8=2x+27这道题怎么解啊?

7x-8=2x+27
7x-2x=27+8
5x=35
x=35/5
x=7

5x=35
x=7

7X-8=2X+27
5X=35
X=7

7

7x-8=2x+27
7x-2x=27+8
5x=35
x=7