3y-15=y-15

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Solution for 3y-15=y-15 equation:


Simplifying
3y + -15 = y + -15

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

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

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

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

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

Solving
3y = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
3y + -1y = y + -1y

Combine like terms: 3y + -1y = 2y
2y = y + -1y

Combine like terms: y + -1y = 0
2y = 0

Divide each side by '2'.
y = 0

Simplifying
y = 0

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