(x-10)+(x-11)+y=180

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Solution for (x-10)+(x-11)+y=180 equation: 


Simplifying
(x + -10) + (x + -11) + y = 180

Reorder the terms:
(-10 + x) + (x + -11) + y = 180

Remove parenthesis around (-10 + x)
-10 + x + (x + -11) + y = 180

Reorder the terms:
-10 + x + (-11 + x) + y = 180

Remove parenthesis around (-11 + x)
-10 + x + -11 + x + y = 180

Reorder the terms:
-10 + -11 + x + x + y = 180

Combine like terms: -10 + -11 = -21
-21 + x + x + y = 180

Combine like terms: x + x = 2x
-21 + 2x + y = 180

Solving
-21 + 2x + y = 180

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 2x + 21 + y = 180 + 21

Reorder the terms:
-21 + 21 + 2x + y = 180 + 21

Combine like terms: -21 + 21 = 0
0 + 2x + y = 180 + 21
2x + y = 180 + 21

Combine like terms: 180 + 21 = 201
2x + y = 201

Add '-1y' to each side of the equation.
2x + y + -1y = 201 + -1y

Combine like terms: y + -1y = 0
2x + 0 = 201 + -1y
2x = 201 + -1y

Divide each side by '2'.
x = 100.5 + -0.5y

Simplifying
x = 100.5 + -0.5y

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