x-10+y+x-10=180

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Solution for x-10+y+x-10=180 equation:


Simplifying
x + -10 + y + x + -10 = 180

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

Combine like terms: -10 + -10 = -20
-20 + x + x + y = 180

Combine like terms: x + x = 2x
-20 + 2x + y = 180

Solving
-20 + 2x + y = 180

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 2x + 20 + y = 180 + 20

Reorder the terms:
-20 + 20 + 2x + y = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 2x + y = 180 + 20
2x + y = 180 + 20

Combine like terms: 180 + 20 = 200
2x + y = 200

Add '-1y' to each side of the equation.
2x + y + -1y = 200 + -1y

Combine like terms: y + -1y = 0
2x + 0 = 200 + -1y
2x = 200 + -1y

Divide each side by '2'.
x = 100 + -0.5y

Simplifying
x = 100 + -0.5y

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