7(x+5)+6(x+5)=7x-7

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Solution for 7(x+5)+6(x+5)=7x-7 equation:


Simplifying
7(x + 5) + 6(x + 5) = 7x + -7

Reorder the terms:
7(5 + x) + 6(x + 5) = 7x + -7
(5 * 7 + x * 7) + 6(x + 5) = 7x + -7
(35 + 7x) + 6(x + 5) = 7x + -7

Reorder the terms:
35 + 7x + 6(5 + x) = 7x + -7
35 + 7x + (5 * 6 + x * 6) = 7x + -7
35 + 7x + (30 + 6x) = 7x + -7

Reorder the terms:
35 + 30 + 7x + 6x = 7x + -7

Combine like terms: 35 + 30 = 65
65 + 7x + 6x = 7x + -7

Combine like terms: 7x + 6x = 13x
65 + 13x = 7x + -7

Reorder the terms:
65 + 13x = -7 + 7x

Solving
65 + 13x = -7 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
65 + 13x + -7x = -7 + 7x + -7x

Combine like terms: 13x + -7x = 6x
65 + 6x = -7 + 7x + -7x

Combine like terms: 7x + -7x = 0
65 + 6x = -7 + 0
65 + 6x = -7

Add '-65' to each side of the equation.
65 + -65 + 6x = -7 + -65

Combine like terms: 65 + -65 = 0
0 + 6x = -7 + -65
6x = -7 + -65

Combine like terms: -7 + -65 = -72
6x = -72

Divide each side by '6'.
x = -12

Simplifying
x = -12

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