6x+7(x-4)+12=-55

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Solution for 6x+7(x-4)+12=-55 equation:


Simplifying
6x + 7(x + -4) + 12 = -55

Reorder the terms:
6x + 7(-4 + x) + 12 = -55
6x + (-4 * 7 + x * 7) + 12 = -55
6x + (-28 + 7x) + 12 = -55

Reorder the terms:
-28 + 12 + 6x + 7x = -55

Combine like terms: -28 + 12 = -16
-16 + 6x + 7x = -55

Combine like terms: 6x + 7x = 13x
-16 + 13x = -55

Solving
-16 + 13x = -55

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 13x = -55 + 16

Combine like terms: -16 + 16 = 0
0 + 13x = -55 + 16
13x = -55 + 16

Combine like terms: -55 + 16 = -39
13x = -39

Divide each side by '13'.
x = -3

Simplifying
x = -3

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