128-(5x+6)=5(x+9)+x

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Solution for 128-(5x+6)=5(x+9)+x equation:


Simplifying
128 + -1(5x + 6) = 5(x + 9) + x

Reorder the terms:
128 + -1(6 + 5x) = 5(x + 9) + x
128 + (6 * -1 + 5x * -1) = 5(x + 9) + x
128 + (-6 + -5x) = 5(x + 9) + x

Combine like terms: 128 + -6 = 122
122 + -5x = 5(x + 9) + x

Reorder the terms:
122 + -5x = 5(9 + x) + x
122 + -5x = (9 * 5 + x * 5) + x
122 + -5x = (45 + 5x) + x

Combine like terms: 5x + x = 6x
122 + -5x = 45 + 6x

Solving
122 + -5x = 45 + 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.
122 + -5x + -6x = 45 + 6x + -6x

Combine like terms: -5x + -6x = -11x
122 + -11x = 45 + 6x + -6x

Combine like terms: 6x + -6x = 0
122 + -11x = 45 + 0
122 + -11x = 45

Add '-122' to each side of the equation.
122 + -122 + -11x = 45 + -122

Combine like terms: 122 + -122 = 0
0 + -11x = 45 + -122
-11x = 45 + -122

Combine like terms: 45 + -122 = -77
-11x = -77

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

Simplifying
x = 7

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