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
3X+24=5X-12 3.2X-14.5=3.5-X
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