-3(x+4)+x=12

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Solution for -3(x+4)+x=12 equation:


Simplifying
-3(x + 4) + x = 12

Reorder the terms:
-3(4 + x) + x = 12
(4 * -3 + x * -3) + x = 12
(-12 + -3x) + x = 12

Combine like terms: -3x + x = -2x
-12 + -2x = 12

Solving
-12 + -2x = 12

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -2x = 12 + 12

Combine like terms: -12 + 12 = 0
0 + -2x = 12 + 12
-2x = 12 + 12

Combine like terms: 12 + 12 = 24
-2x = 24

Divide each side by '-2'.
x = -12

Simplifying
x = -12

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