-9+x=-2(-2x-6)

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Solution for -9+x=-2(-2x-6) equation:


Simplifying
-9 + x = -2(-2x + -6)

Reorder the terms:
-9 + x = -2(-6 + -2x)
-9 + x = (-6 * -2 + -2x * -2)
-9 + x = (12 + 4x)

Solving
-9 + x = 12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-9 + x + -4x = 12 + 4x + -4x

Combine like terms: x + -4x = -3x
-9 + -3x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
-9 + -3x = 12 + 0
-9 + -3x = 12

Add '9' to each side of the equation.
-9 + 9 + -3x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -3x = 12 + 9
-3x = 12 + 9

Combine like terms: 12 + 9 = 21
-3x = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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