3y+84-y=180

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Solution for 3y+84-y=180 equation:


Simplifying
3y + 84 + -1y = 180

Reorder the terms:
84 + 3y + -1y = 180

Combine like terms: 3y + -1y = 2y
84 + 2y = 180

Solving
84 + 2y = 180

Solving for variable 'y'.

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

Add '-84' to each side of the equation.
84 + -84 + 2y = 180 + -84

Combine like terms: 84 + -84 = 0
0 + 2y = 180 + -84
2y = 180 + -84

Combine like terms: 180 + -84 = 96
2y = 96

Divide each side by '2'.
y = 48

Simplifying
y = 48

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