12+7(x+1)=(6x-7)-9

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Solution for 12+7(x+1)=(6x-7)-9 equation:


Simplifying
12 + 7(x + 1) = (6x + -7) + -9

Reorder the terms:
12 + 7(1 + x) = (6x + -7) + -9
12 + (1 * 7 + x * 7) = (6x + -7) + -9
12 + (7 + 7x) = (6x + -7) + -9

Combine like terms: 12 + 7 = 19
19 + 7x = (6x + -7) + -9

Reorder the terms:
19 + 7x = (-7 + 6x) + -9

Remove parenthesis around (-7 + 6x)
19 + 7x = -7 + 6x + -9

Reorder the terms:
19 + 7x = -7 + -9 + 6x

Combine like terms: -7 + -9 = -16
19 + 7x = -16 + 6x

Solving
19 + 7x = -16 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
19 + 7x + -6x = -16 + 6x + -6x

Combine like terms: 7x + -6x = 1x
19 + 1x = -16 + 6x + -6x

Combine like terms: 6x + -6x = 0
19 + 1x = -16 + 0
19 + 1x = -16

Add '-19' to each side of the equation.
19 + -19 + 1x = -16 + -19

Combine like terms: 19 + -19 = 0
0 + 1x = -16 + -19
1x = -16 + -19

Combine like terms: -16 + -19 = -35
1x = -35

Divide each side by '1'.
x = -35

Simplifying
x = -35

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