39-(3x+12)=3(x+2)+x

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Solution for 39-(3x+12)=3(x+2)+x equation:


Simplifying
39 + -1(3x + 12) = 3(x + 2) + x

Reorder the terms:
39 + -1(12 + 3x) = 3(x + 2) + x
39 + (12 * -1 + 3x * -1) = 3(x + 2) + x
39 + (-12 + -3x) = 3(x + 2) + x

Combine like terms: 39 + -12 = 27
27 + -3x = 3(x + 2) + x

Reorder the terms:
27 + -3x = 3(2 + x) + x
27 + -3x = (2 * 3 + x * 3) + x
27 + -3x = (6 + 3x) + x

Combine like terms: 3x + x = 4x
27 + -3x = 6 + 4x

Solving
27 + -3x = 6 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
27 + -3x + -4x = 6 + 4x + -4x

Combine like terms: -3x + -4x = -7x
27 + -7x = 6 + 4x + -4x

Combine like terms: 4x + -4x = 0
27 + -7x = 6 + 0
27 + -7x = 6

Add '-27' to each side of the equation.
27 + -27 + -7x = 6 + -27

Combine like terms: 27 + -27 = 0
0 + -7x = 6 + -27
-7x = 6 + -27

Combine like terms: 6 + -27 = -21
-7x = -21

Divide each side by '-7'.
x = 3

Simplifying
x = 3

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