180+-y=3y-20

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Solution for 180+-y=3y-20 equation:


Simplifying
180 + -1y = 3y + -20

Reorder the terms:
180 + -1y = -20 + 3y

Solving
180 + -1y = -20 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
180 + -1y + -3y = -20 + 3y + -3y

Combine like terms: -1y + -3y = -4y
180 + -4y = -20 + 3y + -3y

Combine like terms: 3y + -3y = 0
180 + -4y = -20 + 0
180 + -4y = -20

Add '-180' to each side of the equation.
180 + -180 + -4y = -20 + -180

Combine like terms: 180 + -180 = 0
0 + -4y = -20 + -180
-4y = -20 + -180

Combine like terms: -20 + -180 = -200
-4y = -200

Divide each side by '-4'.
y = 50

Simplifying
y = 50

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