15y-45=12y

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Solution for 15y-45=12y equation:


Simplifying
15y + -45 = 12y

Reorder the terms:
-45 + 15y = 12y

Solving
-45 + 15y = 12y

Solving for variable 'y'.

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

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

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

Combine like terms: 12y + -12y = 0
-45 + 3y = 0

Add '45' to each side of the equation.
-45 + 45 + 3y = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 3y = 0 + 45
3y = 0 + 45

Combine like terms: 0 + 45 = 45
3y = 45

Divide each side by '3'.
y = 15

Simplifying
y = 15

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