(x+12)+(3x-8)=

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Solution for (x+12)+(3x-8)= equation:


Simplifying
(x + 12) + (3x + -8) = 0

Reorder the terms:
(12 + x) + (3x + -8) = 0

Remove parenthesis around (12 + x)
12 + x + (3x + -8) = 0

Reorder the terms:
12 + x + (-8 + 3x) = 0

Remove parenthesis around (-8 + 3x)
12 + x + -8 + 3x = 0

Reorder the terms:
12 + -8 + x + 3x = 0

Combine like terms: 12 + -8 = 4
4 + x + 3x = 0

Combine like terms: x + 3x = 4x
4 + 4x = 0

Solving
4 + 4x = 0

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 4x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 4x = 0 + -4
4x = 0 + -4

Combine like terms: 0 + -4 = -4
4x = -4

Divide each side by '4'.
x = -1

Simplifying
x = -1

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