-x-12=3x-5(x+1)

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Solution for -x-12=3x-5(x+1) equation:


Simplifying
-1x + -12 = 3x + -5(x + 1)

Reorder the terms:
-12 + -1x = 3x + -5(x + 1)

Reorder the terms:
-12 + -1x = 3x + -5(1 + x)
-12 + -1x = 3x + (1 * -5 + x * -5)
-12 + -1x = 3x + (-5 + -5x)

Reorder the terms:
-12 + -1x = -5 + 3x + -5x

Combine like terms: 3x + -5x = -2x
-12 + -1x = -5 + -2x

Solving
-12 + -1x = -5 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-12 + -1x + 2x = -5 + -2x + 2x

Combine like terms: -1x + 2x = 1x
-12 + 1x = -5 + -2x + 2x

Combine like terms: -2x + 2x = 0
-12 + 1x = -5 + 0
-12 + 1x = -5

Add '12' to each side of the equation.
-12 + 12 + 1x = -5 + 12

Combine like terms: -12 + 12 = 0
0 + 1x = -5 + 12
1x = -5 + 12

Combine like terms: -5 + 12 = 7
1x = 7

Divide each side by '1'.
x = 7

Simplifying
x = 7

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