6x+7=-7x-4(-4x-4)

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Solution for 6x+7=-7x-4(-4x-4) equation:


Simplifying
6x + 7 = -7x + -4(-4x + -4)

Reorder the terms:
7 + 6x = -7x + -4(-4x + -4)

Reorder the terms:
7 + 6x = -7x + -4(-4 + -4x)
7 + 6x = -7x + (-4 * -4 + -4x * -4)
7 + 6x = -7x + (16 + 16x)

Reorder the terms:
7 + 6x = 16 + -7x + 16x

Combine like terms: -7x + 16x = 9x
7 + 6x = 16 + 9x

Solving
7 + 6x = 16 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
7 + 6x + -9x = 16 + 9x + -9x

Combine like terms: 6x + -9x = -3x
7 + -3x = 16 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + -3x = 16 + 0
7 + -3x = 16

Add '-7' to each side of the equation.
7 + -7 + -3x = 16 + -7

Combine like terms: 7 + -7 = 0
0 + -3x = 16 + -7
-3x = 16 + -7

Combine like terms: 16 + -7 = 9
-3x = 9

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

Simplifying
x = -3

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