(x+9)+(2x+9)+(4x-6)=180

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Solution for (x+9)+(2x+9)+(4x-6)=180 equation:


Simplifying
(x + 9) + (2x + 9) + (4x + -6) = 180

Reorder the terms:
(9 + x) + (2x + 9) + (4x + -6) = 180

Remove parenthesis around (9 + x)
9 + x + (2x + 9) + (4x + -6) = 180

Reorder the terms:
9 + x + (9 + 2x) + (4x + -6) = 180

Remove parenthesis around (9 + 2x)
9 + x + 9 + 2x + (4x + -6) = 180

Reorder the terms:
9 + x + 9 + 2x + (-6 + 4x) = 180

Remove parenthesis around (-6 + 4x)
9 + x + 9 + 2x + -6 + 4x = 180

Reorder the terms:
9 + 9 + -6 + x + 2x + 4x = 180

Combine like terms: 9 + 9 = 18
18 + -6 + x + 2x + 4x = 180

Combine like terms: 18 + -6 = 12
12 + x + 2x + 4x = 180

Combine like terms: x + 2x = 3x
12 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
12 + 7x = 180

Solving
12 + 7x = 180

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 7x = 180 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 180 + -12
7x = 180 + -12

Combine like terms: 180 + -12 = 168
7x = 168

Divide each side by '7'.
x = 24

Simplifying
x = 24

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