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

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Solution for 9(x+5)+6(x+5)=7x-7 equation:


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

Reorder the terms:
9(5 + x) + 6(x + 5) = 7x + -7
(5 * 9 + x * 9) + 6(x + 5) = 7x + -7
(45 + 9x) + 6(x + 5) = 7x + -7

Reorder the terms:
45 + 9x + 6(5 + x) = 7x + -7
45 + 9x + (5 * 6 + x * 6) = 7x + -7
45 + 9x + (30 + 6x) = 7x + -7

Reorder the terms:
45 + 30 + 9x + 6x = 7x + -7

Combine like terms: 45 + 30 = 75
75 + 9x + 6x = 7x + -7

Combine like terms: 9x + 6x = 15x
75 + 15x = 7x + -7

Reorder the terms:
75 + 15x = -7 + 7x

Solving
75 + 15x = -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.
75 + 15x + -7x = -7 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
75 + 8x = -7 + 0
75 + 8x = -7

Add '-75' to each side of the equation.
75 + -75 + 8x = -7 + -75

Combine like terms: 75 + -75 = 0
0 + 8x = -7 + -75
8x = -7 + -75

Combine like terms: -7 + -75 = -82
8x = -82

Divide each side by '8'.
x = -10.25

Simplifying
x = -10.25

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