(4x-2)+(8x+2)+90=180

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Solution for (4x-2)+(8x+2)+90=180 equation: 


Simplifying
(4x + -2) + (8x + 2) + 90 = 180

Reorder the terms:
(-2 + 4x) + (8x + 2) + 90 = 180

Remove parenthesis around (-2 + 4x)
-2 + 4x + (8x + 2) + 90 = 180

Reorder the terms:
-2 + 4x + (2 + 8x) + 90 = 180

Remove parenthesis around (2 + 8x)
-2 + 4x + 2 + 8x + 90 = 180

Reorder the terms:
-2 + 2 + 90 + 4x + 8x = 180

Combine like terms: -2 + 2 = 0
0 + 90 + 4x + 8x = 180
90 + 4x + 8x = 180

Combine like terms: 4x + 8x = 12x
90 + 12x = 180

Solving
90 + 12x = 180

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 12x = 180 + -90

Combine like terms: 90 + -90 = 0
0 + 12x = 180 + -90
12x = 180 + -90

Combine like terms: 180 + -90 = 90
12x = 90

Divide each side by '12'.
x = 7.5

Simplifying
x = 7.5

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