2y+y=15-3

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Solution for 2y+y=15-3 equation: 


Simplifying
2y + y = 15 + -3

Combine like terms: 2y + y = 3y
3y = 15 + -3

Combine like terms: 15 + -3 = 12
3y = 12

Solving
3y = 12

Solving for variable 'y'.

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

Divide each side by '3'.
y = 4

Simplifying
y = 4

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