(4x+18)+(2x-9)+90=180

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Solution for (4x+18)+(2x-9)+90=180 equation:


Simplifying
(4x + 18) + (2x + -9) + 90 = 180

Reorder the terms:
(18 + 4x) + (2x + -9) + 90 = 180

Remove parenthesis around (18 + 4x)
18 + 4x + (2x + -9) + 90 = 180

Reorder the terms:
18 + 4x + (-9 + 2x) + 90 = 180

Remove parenthesis around (-9 + 2x)
18 + 4x + -9 + 2x + 90 = 180

Reorder the terms:
18 + -9 + 90 + 4x + 2x = 180

Combine like terms: 18 + -9 = 9
9 + 90 + 4x + 2x = 180

Combine like terms: 9 + 90 = 99
99 + 4x + 2x = 180

Combine like terms: 4x + 2x = 6x
99 + 6x = 180

Solving
99 + 6x = 180

Solving for variable 'x'.

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

Add '-99' to each side of the equation.
99 + -99 + 6x = 180 + -99

Combine like terms: 99 + -99 = 0
0 + 6x = 180 + -99
6x = 180 + -99

Combine like terms: 180 + -99 = 81
6x = 81

Divide each side by '6'.
x = 13.5

Simplifying
x = 13.5

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