135=x+4(x-9)+(x-9)

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Solution for 135=x+4(x-9)+(x-9) equation:


Simplifying
135 = x + 4(x + -9) + (x + -9)

Reorder the terms:
135 = x + 4(-9 + x) + (x + -9)
135 = x + (-9 * 4 + x * 4) + (x + -9)
135 = x + (-36 + 4x) + (x + -9)

Reorder the terms:
135 = x + -36 + 4x + (-9 + x)

Remove parenthesis around (-9 + x)
135 = x + -36 + 4x + -9 + x

Reorder the terms:
135 = -36 + -9 + x + 4x + x

Combine like terms: -36 + -9 = -45
135 = -45 + x + 4x + x

Combine like terms: x + 4x = 5x
135 = -45 + 5x + x

Combine like terms: 5x + x = 6x
135 = -45 + 6x

Solving
135 = -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.
135 + -6x = -45 + 6x + -6x

Combine like terms: 6x + -6x = 0
135 + -6x = -45 + 0
135 + -6x = -45

Add '-135' to each side of the equation.
135 + -135 + -6x = -45 + -135

Combine like terms: 135 + -135 = 0
0 + -6x = -45 + -135
-6x = -45 + -135

Combine like terms: -45 + -135 = -180
-6x = -180

Divide each side by '-6'.
x = 30

Simplifying
x = 30

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