3X+24=5X-12
问题描述:
3X+24=5X-12
3.2X-14.5=3.5-X
答
3X+24=5X-12
3x-5x=-12-24
-2x=-36
x=18
3.2X-14.5=3.5-X
3.2x+x=3.5+14.5
4.2x=18
x=30/7