Respuesta :
2(3x + 1) = x + 22
6x + 2 = x + 22
-1x -1x
5x + 2 = 22
-2 -2
5x=20
/5 /5
X=4
2x + 2 = x + 5
-x -x
3x + 2 = 5
-2 -2
3x = 3
/3 /3
X=1
3x + 2x = 10
5x=10
/5 /5
X=2
6x + 2 = x + 22
-1x -1x
5x + 2 = 22
-2 -2
5x=20
/5 /5
X=4
2x + 2 = x + 5
-x -x
3x + 2 = 5
-2 -2
3x = 3
/3 /3
X=1
3x + 2x = 10
5x=10
/5 /5
X=2