120-(5x+3)=5(x+8)+x

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Solution for 120-(5x+3)=5(x+8)+x equation:


Simplifying
120 + -1(5x + 3) = 5(x + 8) + x

Reorder the terms:
120 + -1(3 + 5x) = 5(x + 8) + x
120 + (3 * -1 + 5x * -1) = 5(x + 8) + x
120 + (-3 + -5x) = 5(x + 8) + x

Combine like terms: 120 + -3 = 117
117 + -5x = 5(x + 8) + x

Reorder the terms:
117 + -5x = 5(8 + x) + x
117 + -5x = (8 * 5 + x * 5) + x
117 + -5x = (40 + 5x) + x

Combine like terms: 5x + x = 6x
117 + -5x = 40 + 6x

Solving
117 + -5x = 40 + 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.
117 + -5x + -6x = 40 + 6x + -6x

Combine like terms: -5x + -6x = -11x
117 + -11x = 40 + 6x + -6x

Combine like terms: 6x + -6x = 0
117 + -11x = 40 + 0
117 + -11x = 40

Add '-117' to each side of the equation.
117 + -117 + -11x = 40 + -117

Combine like terms: 117 + -117 = 0
0 + -11x = 40 + -117
-11x = 40 + -117

Combine like terms: 40 + -117 = -77
-11x = -77

Divide each side by '-11'.
x = 7

Simplifying
x = 7

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