180-x=3(90-y)

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Solution for 180-x=3(90-y) equation:


Simplifying
180 + -1x = 3(90 + -1y)
180 + -1x = (90 * 3 + -1y * 3)
180 + -1x = (270 + -3y)

Solving
180 + -1x = 270 + -3y

Solving for variable 'x'.

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

Add '-180' to each side of the equation.
180 + -180 + -1x = 270 + -180 + -3y

Combine like terms: 180 + -180 = 0
0 + -1x = 270 + -180 + -3y
-1x = 270 + -180 + -3y

Combine like terms: 270 + -180 = 90
-1x = 90 + -3y

Divide each side by '-1'.
x = -90 + 3y

Simplifying
x = -90 + 3y

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