(x+21)+(x+17)+y=180

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Solution for (x+21)+(x+17)+y=180 equation: 


Simplifying
(x + 21) + (x + 17) + y = 180

Reorder the terms:
(21 + x) + (x + 17) + y = 180

Remove parenthesis around (21 + x)
21 + x + (x + 17) + y = 180

Reorder the terms:
21 + x + (17 + x) + y = 180

Remove parenthesis around (17 + x)
21 + x + 17 + x + y = 180

Reorder the terms:
21 + 17 + x + x + y = 180

Combine like terms: 21 + 17 = 38
38 + x + x + y = 180

Combine like terms: x + x = 2x
38 + 2x + y = 180

Solving
38 + 2x + y = 180

Solving for variable 'x'.

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

Add '-38' to each side of the equation.
38 + 2x + -38 + y = 180 + -38

Reorder the terms:
38 + -38 + 2x + y = 180 + -38

Combine like terms: 38 + -38 = 0
0 + 2x + y = 180 + -38
2x + y = 180 + -38

Combine like terms: 180 + -38 = 142
2x + y = 142

Add '-1y' to each side of the equation.
2x + y + -1y = 142 + -1y

Combine like terms: y + -1y = 0
2x + 0 = 142 + -1y
2x = 142 + -1y

Divide each side by '2'.
x = 71 + -0.5y

Simplifying
x = 71 + -0.5y

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