Question

qual e o conjunto soluçao da equaçao 4-x=x+2?

Answer 1

2x=(+2)-4
2x=(-2)
2:(-2)= -1

Answer 2

4 -X = X + 2
-X -X= +2 -4
-2X =-2 (-1)
2X= 2
X= 2:2
X=1