6x+9(x-8)=3(x+6)-90

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Solution for 6x+9(x-8)=3(x+6)-90 equation:


Simplifying
6x + 9(x + -8) = 3(x + 6) + -90

Reorder the terms:
6x + 9(-8 + x) = 3(x + 6) + -90
6x + (-8 * 9 + x * 9) = 3(x + 6) + -90
6x + (-72 + 9x) = 3(x + 6) + -90

Reorder the terms:
-72 + 6x + 9x = 3(x + 6) + -90

Combine like terms: 6x + 9x = 15x
-72 + 15x = 3(x + 6) + -90

Reorder the terms:
-72 + 15x = 3(6 + x) + -90
-72 + 15x = (6 * 3 + x * 3) + -90
-72 + 15x = (18 + 3x) + -90

Reorder the terms:
-72 + 15x = 18 + -90 + 3x

Combine like terms: 18 + -90 = -72
-72 + 15x = -72 + 3x

Add '72' to each side of the equation.
-72 + 72 + 15x = -72 + 72 + 3x

Combine like terms: -72 + 72 = 0
0 + 15x = -72 + 72 + 3x
15x = -72 + 72 + 3x

Combine like terms: -72 + 72 = 0
15x = 0 + 3x
15x = 3x

Solving
15x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
15x + -3x = 3x + -3x

Combine like terms: 15x + -3x = 12x
12x = 3x + -3x

Combine like terms: 3x + -3x = 0
12x = 0

Divide each side by '12'.
x = 0

Simplifying
x = 0

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