2x+y+90=180

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Solution for 2x+y+90=180 equation:


Simplifying
2x + y + 90 = 180

Reorder the terms:
90 + 2x + y = 180

Solving
90 + 2x + y = 180

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + 2x + -90 + y = 180 + -90

Reorder the terms:
90 + -90 + 2x + y = 180 + -90

Combine like terms: 90 + -90 = 0
0 + 2x + y = 180 + -90
2x + y = 180 + -90

Combine like terms: 180 + -90 = 90
2x + y = 90

Add '-1y' to each side of the equation.
2x + y + -1y = 90 + -1y

Combine like terms: y + -1y = 0
2x + 0 = 90 + -1y
2x = 90 + -1y

Divide each side by '2'.
x = 45 + -0.5y

Simplifying
x = 45 + -0.5y

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