9y+3y-15=45

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Solution for 9y+3y-15=45 equation:


Simplifying
9y + 3y + -15 = 45

Reorder the terms:
-15 + 9y + 3y = 45

Combine like terms: 9y + 3y = 12y
-15 + 12y = 45

Solving
-15 + 12y = 45

Solving for variable 'y'.

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

Add '15' to each side of the equation.
-15 + 15 + 12y = 45 + 15

Combine like terms: -15 + 15 = 0
0 + 12y = 45 + 15
12y = 45 + 15

Combine like terms: 45 + 15 = 60
12y = 60

Divide each side by '12'.
y = 5

Simplifying
y = 5

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