15y-9y-12+3=

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Solution for 15y-9y-12+3= equation:


Simplifying
15y + -9y + -12 + 3 = 0

Reorder the terms:
-12 + 3 + 15y + -9y = 0

Combine like terms: -12 + 3 = -9
-9 + 15y + -9y = 0

Combine like terms: 15y + -9y = 6y
-9 + 6y = 0

Solving
-9 + 6y = 0

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 6y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 6y = 0 + 9
6y = 0 + 9

Combine like terms: 0 + 9 = 9
6y = 9

Divide each side by '6'.
y = 1.5

Simplifying
y = 1.5

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