1.5(X+2)-3(X+1)=2(X-3)+3(X-6)
问题描述:
1.5(X+2)-3(X+1)=2(X-3)+3(X-6)
2.3y+1/3(100-y)=100
3.2(y+3)-3(y-2)=2(y+1)-4(y-13)
答
5(x+2)-3(x+1)=2(x-3)+3(x-6)5x+10-3x-3=2x-6+3x-182x+7=5x-243x=31x=31/33y+(1/3)(100-y)=1009y+100-y=3008y=200y=252(y+3)-3(y-2)=2(y+1)-4(y-13)2y+6-3y+6=2y+2-4y+52-y+12=-2y+54y=42