-(12-x)=3x+4

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


Simplifying
-1(12 + -1x) = 3x + 4
(12 * -1 + -1x * -1) = 3x + 4
(-12 + 1x) = 3x + 4

Reorder the terms:
-12 + 1x = 4 + 3x

Solving
-12 + 1x = 4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-12 + 1x + -3x = 4 + 3x + -3x

Combine like terms: 1x + -3x = -2x
-12 + -2x = 4 + 3x + -3x

Combine like terms: 3x + -3x = 0
-12 + -2x = 4 + 0
-12 + -2x = 4

Add '12' to each side of the equation.
-12 + 12 + -2x = 4 + 12

Combine like terms: -12 + 12 = 0
0 + -2x = 4 + 12
-2x = 4 + 12

Combine like terms: 4 + 12 = 16
-2x = 16

Divide each side by '-2'.
x = -8

Simplifying
x = -8

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