5y-15=2y+12

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Solution for 5y-15=2y+12 equation:


Simplifying
5y + -15 = 2y + 12

Reorder the terms:
-15 + 5y = 2y + 12

Reorder the terms:
-15 + 5y = 12 + 2y

Solving
-15 + 5y = 12 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-15 + 5y + -2y = 12 + 2y + -2y

Combine like terms: 5y + -2y = 3y
-15 + 3y = 12 + 2y + -2y

Combine like terms: 2y + -2y = 0
-15 + 3y = 12 + 0
-15 + 3y = 12

Add '15' to each side of the equation.
-15 + 15 + 3y = 12 + 15

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

Combine like terms: 12 + 15 = 27
3y = 27

Divide each side by '3'.
y = 9

Simplifying
y = 9

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