5x-3(2x+1)=6x-4(5-3x)求x
问题描述:
5x-3(2x+1)=6x-4(5-3x)求x
答
5x-3(2x+1)=6x-4(5-3x) 求x
5x-6x-3=6x-20+12x
20-3=6x+12x-5x+6x
19x=17
x=17/19