70+130+x+y=180

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Solution for 70+130+x+y=180 equation:


Simplifying
70 + 130 + x + y = 180

Combine like terms: 70 + 130 = 200
200 + x + y = 180

Solving
200 + x + y = 180

Solving for variable 'x'.

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

Add '-200' to each side of the equation.
200 + x + -200 + y = 180 + -200

Reorder the terms:
200 + -200 + x + y = 180 + -200

Combine like terms: 200 + -200 = 0
0 + x + y = 180 + -200
x + y = 180 + -200

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

Add '-1y' to each side of the equation.
x + y + -1y = -20 + -1y

Combine like terms: y + -1y = 0
x + 0 = -20 + -1y
x = -20 + -1y

Simplifying
x = -20 + -1y

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