Y-3+2Y=9

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Solution for Y-3+2Y=9 equation: 


Simplifying
Y + -3 + 2Y = 9

Reorder the terms:
-3 + Y + 2Y = 9

Combine like terms: Y + 2Y = 3Y
-3 + 3Y = 9

Solving
-3 + 3Y = 9

Solving for variable 'Y'.

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

Add '3' to each side of the equation.
-3 + 3 + 3Y = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 3Y = 9 + 3
3Y = 9 + 3

Combine like terms: 9 + 3 = 12
3Y = 12

Divide each side by '3'.
Y = 4

Simplifying
Y = 4

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