2X+4(8-X)=26怎么算?
问题描述:
2X+4(8-X)=26怎么算?
答
2X+4(8-X)=26
2X+32-4X=26
32-=26
32-2x=26
2x=32-26
2x=6
x=6除2
x=3
答
2X+4(8-X)=26
2X+32-4X=26
2X-4X=26-32
-2X=-6
X=-6/(-2)
X=3
答
2X+4(8-X)=26
2X+32-4X=26
32-=26
32-2x=26
2x=32-26
2x=6
x=6除2
x=3