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

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Solution for 8(x+5)+7(x+5)=6x-6 equation:


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

Reorder the terms:
8(5 + x) + 7(x + 5) = 6x + -6
(5 * 8 + x * 8) + 7(x + 5) = 6x + -6
(40 + 8x) + 7(x + 5) = 6x + -6

Reorder the terms:
40 + 8x + 7(5 + x) = 6x + -6
40 + 8x + (5 * 7 + x * 7) = 6x + -6
40 + 8x + (35 + 7x) = 6x + -6

Reorder the terms:
40 + 35 + 8x + 7x = 6x + -6

Combine like terms: 40 + 35 = 75
75 + 8x + 7x = 6x + -6

Combine like terms: 8x + 7x = 15x
75 + 15x = 6x + -6

Reorder the terms:
75 + 15x = -6 + 6x

Solving
75 + 15x = -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.
75 + 15x + -6x = -6 + 6x + -6x

Combine like terms: 15x + -6x = 9x
75 + 9x = -6 + 6x + -6x

Combine like terms: 6x + -6x = 0
75 + 9x = -6 + 0
75 + 9x = -6

Add '-75' to each side of the equation.
75 + -75 + 9x = -6 + -75

Combine like terms: 75 + -75 = 0
0 + 9x = -6 + -75
9x = -6 + -75

Combine like terms: -6 + -75 = -81
9x = -81

Divide each side by '9'.
x = -9

Simplifying
x = -9

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