-3/4x-6=0和1/5(x-15)=1/2-1/3(x+7)
问题描述:
-3/4x-6=0和1/5(x-15)=1/2-1/3(x+7)
答
-3/4x-6=0
-3x-24=0
3x=-24
x=-8
1/5(x-15)=1/2-1/3(x+7)
6(x-15)=15-10(x+7)
6x-90=15-10x-70
16x=35
x=35/16