x+2x+(x+18)=180

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Solution for x+2x+(x+18)=180 equation:


Simplifying
x + 2x + (x + 18) = 180

Reorder the terms:
x + 2x + (18 + x) = 180

Remove parenthesis around (18 + x)
x + 2x + 18 + x = 180

Reorder the terms:
18 + x + 2x + x = 180

Combine like terms: x + 2x = 3x
18 + 3x + x = 180

Combine like terms: 3x + x = 4x
18 + 4x = 180

Solving
18 + 4x = 180

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 4x = 180 + -18

Combine like terms: 18 + -18 = 0
0 + 4x = 180 + -18
4x = 180 + -18

Combine like terms: 180 + -18 = 162
4x = 162

Divide each side by '4'.
x = 40.5

Simplifying
x = 40.5

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