2(2x+3)=5x-7
问题描述:
2(2x+3)=5x-7
答
2(2x+3)=5x-7
4x+6=5x-7
5x-4x=6+7
x=13
2(2x+3)=5x-7
2(2x+3)=5x-7
4x+6=5x-7
5x-4x=6+7
x=13