5y-15=y

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Solution for 5y-15=y equation:


Simplifying
5y + -15 = y

Reorder the terms:
-15 + 5y = y

Solving
-15 + 5y = 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.
-15 + 5y + -1y = y + -1y

Combine like terms: 5y + -1y = 4y
-15 + 4y = y + -1y

Combine like terms: y + -1y = 0
-15 + 4y = 0

Add '15' to each side of the equation.
-15 + 15 + 4y = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 4y = 0 + 15
4y = 0 + 15

Combine like terms: 0 + 15 = 15
4y = 15

Divide each side by '4'.
y = 3.75

Simplifying
y = 3.75

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