The value of x is 10
so 3x + 2 = x + 12 ie 2x = 10 x =5
x = 12
2+x-4 = 12 x = 12+4-2 x = 14
x=12 because 12 over 6 is 2,and 2 plus 4 is 6.
x = 4
-10
-26
X=1.42857142857143
4 x 2 + 4 = 12 x = 4
x=2
X=2
5x + 2 = x + 12 5x - x = 12 - 2 4x = 10 x = 10/4 x = 5/2 or 2.5