7(x+1)+2(x+1)=6x-6

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Solution for 7(x+1)+2(x+1)=6x-6 equation:


Simplifying
7(x + 1) + 2(x + 1) = 6x + -6

Reorder the terms:
7(1 + x) + 2(x + 1) = 6x + -6
(1 * 7 + x * 7) + 2(x + 1) = 6x + -6
(7 + 7x) + 2(x + 1) = 6x + -6

Reorder the terms:
7 + 7x + 2(1 + x) = 6x + -6
7 + 7x + (1 * 2 + x * 2) = 6x + -6
7 + 7x + (2 + 2x) = 6x + -6

Reorder the terms:
7 + 2 + 7x + 2x = 6x + -6

Combine like terms: 7 + 2 = 9
9 + 7x + 2x = 6x + -6

Combine like terms: 7x + 2x = 9x
9 + 9x = 6x + -6

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

Solving
9 + 9x = -6 + 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.
9 + 9x + -6x = -6 + 6x + -6x

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

Combine like terms: 6x + -6x = 0
9 + 3x = -6 + 0
9 + 3x = -6

Add '-9' to each side of the equation.
9 + -9 + 3x = -6 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = -6 + -9
3x = -6 + -9

Combine like terms: -6 + -9 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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