x+y+(y-18)=180

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Solution for x+y+(y-18)=180 equation:


Simplifying
x + y + (y + -18) = 180

Reorder the terms:
x + y + (-18 + y) = 180

Remove parenthesis around (-18 + y)
x + y + -18 + y = 180

Reorder the terms:
-18 + x + y + y = 180

Combine like terms: y + y = 2y
-18 + x + 2y = 180

Solving
-18 + x + 2y = 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 + x + 18 + 2y = 180 + 18

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

Combine like terms: -18 + 18 = 0
0 + x + 2y = 180 + 18
x + 2y = 180 + 18

Combine like terms: 180 + 18 = 198
x + 2y = 198

Add '-2y' to each side of the equation.
x + 2y + -2y = 198 + -2y

Combine like terms: 2y + -2y = 0
x + 0 = 198 + -2y
x = 198 + -2y

Simplifying
x = 198 + -2y

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