3y+2y-y=20

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Solution for 3y+2y-y=20 equation: 


Simplifying
3y + 2y + -1y = 20

Combine like terms: 3y + 2y = 5y
5y + -1y = 20

Combine like terms: 5y + -1y = 4y
4y = 20

Solving
4y = 20

Solving for variable 'y'.

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

Divide each side by '4'.
y = 5

Simplifying
y = 5

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