6X+4(10-X)=46

问题描述:

6X+4(10-X)=46

额,6X+40-4x=46
40+2x=46
2x=46-40
2x=6
x=3

6X+40-4X=46
2X=46-40
2X=6
X=3

6X+4(10-X)=46
6x+40-4x=46;
2x=46-40;
2x=6;
x=3;

6X+4(10-X)=46
6x+40-4x=46
6x-4x=46-40
2x=6
x=3