3x-12*3+2+3(x-1)=13

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Solution for 3x-12*3+2+3(x-1)=13 equation: 


Simplifying
3x + -12 * 3 + 2 + 3(x + -1) = 13

Multiply -12 * 3
3x + -36 + 2 + 3(x + -1) = 13

Reorder the terms:
3x + -36 + 2 + 3(-1 + x) = 13
3x + -36 + 2 + (-1 * 3 + x * 3) = 13
3x + -36 + 2 + (-3 + 3x) = 13

Reorder the terms:
-36 + 2 + -3 + 3x + 3x = 13

Combine like terms: -36 + 2 = -34
-34 + -3 + 3x + 3x = 13

Combine like terms: -34 + -3 = -37
-37 + 3x + 3x = 13

Combine like terms: 3x + 3x = 6x
-37 + 6x = 13

Solving
-37 + 6x = 13

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '37' to each side of the equation.
-37 + 37 + 6x = 13 + 37

Combine like terms: -37 + 37 = 0
0 + 6x = 13 + 37
6x = 13 + 37

Combine like terms: 13 + 37 = 50
6x = 50

Divide each side by '6'.
x = 8.333333333

Simplifying
x = 8.333333333

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