2(x-2)+5(6x+2)=5(2x+5)怎么算
问题描述:
2(x-2)+5(6x+2)=5(2x+5)怎么算
答
2(x-2)+5(6x+2)=5(2x+5)
2x-4+30x+10=10x+25
2x+30x-10x=25-10+4
22x=19
x=19/22