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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.
-26
-10
x = 4
X=1.42857142857143
4 x 2 + 4 = 12 x = 4
x = -5
x=2
X=2