y-9+4y+6=12

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Solution for y-9+4y+6=12 equation:


Simplifying
y + -9 + 4y + 6 = 12

Reorder the terms:
-9 + 6 + y + 4y = 12

Combine like terms: -9 + 6 = -3
-3 + y + 4y = 12

Combine like terms: y + 4y = 5y
-3 + 5y = 12

Solving
-3 + 5y = 12

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 + 5y = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 5y = 12 + 3
5y = 12 + 3

Combine like terms: 12 + 3 = 15
5y = 15

Divide each side by '5'.
y = 3

Simplifying
y = 3

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