3(3x-2)=10-0.5(x+3.5)
问题描述:
3(3x-2)=10-0.5(x+3.5)
35(x-2)-15(5x-6)=(22x-63)-21(3x-4)
答
3(3x-2)=10-0.5(x+3.5)
9x-6 =10-0.5x-1.75
9x+0.5x=10-1.75+6
9.5x=14.25
x=1.5
35x-70-75x+90=22X-63-63X+84
35X-75X-22X+63X=-63+84+70-90
-40x-22x+63x=21+70-90
-62x+63x=91-90
x=1