-x-3(x+6)=-5x-12

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Solution for -x-3(x+6)=-5x-12 equation:


Simplifying
-1x + -3(x + 6) = -5x + -12

Reorder the terms:
-1x + -3(6 + x) = -5x + -12
-1x + (6 * -3 + x * -3) = -5x + -12
-1x + (-18 + -3x) = -5x + -12

Reorder the terms:
-18 + -1x + -3x = -5x + -12

Combine like terms: -1x + -3x = -4x
-18 + -4x = -5x + -12

Reorder the terms:
-18 + -4x = -12 + -5x

Solving
-18 + -4x = -12 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-18 + -4x + 5x = -12 + -5x + 5x

Combine like terms: -4x + 5x = 1x
-18 + 1x = -12 + -5x + 5x

Combine like terms: -5x + 5x = 0
-18 + 1x = -12 + 0
-18 + 1x = -12

Add '18' to each side of the equation.
-18 + 18 + 1x = -12 + 18

Combine like terms: -18 + 18 = 0
0 + 1x = -12 + 18
1x = -12 + 18

Combine like terms: -12 + 18 = 6
1x = 6

Divide each side by '1'.
x = 6

Simplifying
x = 6

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