3(y-15)=y-15

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


Simplifying
3(y + -15) = y + -15

Reorder the terms:
3(-15 + y) = y + -15
(-15 * 3 + y * 3) = y + -15
(-45 + 3y) = y + -15

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

Solving
-45 + 3y = -15 + 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.
-45 + 3y + -1y = -15 + y + -1y

Combine like terms: 3y + -1y = 2y
-45 + 2y = -15 + y + -1y

Combine like terms: y + -1y = 0
-45 + 2y = -15 + 0
-45 + 2y = -15

Add '45' to each side of the equation.
-45 + 45 + 2y = -15 + 45

Combine like terms: -45 + 45 = 0
0 + 2y = -15 + 45
2y = -15 + 45

Combine like terms: -15 + 45 = 30
2y = 30

Divide each side by '2'.
y = 15

Simplifying
y = 15

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