2y-15=5y-81

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Solution for 2y-15=5y-81 equation:


Simplifying
2y + -15 = 5y + -81

Reorder the terms:
-15 + 2y = 5y + -81

Reorder the terms:
-15 + 2y = -81 + 5y

Solving
-15 + 2y = -81 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-15 + 2y + -5y = -81 + 5y + -5y

Combine like terms: 2y + -5y = -3y
-15 + -3y = -81 + 5y + -5y

Combine like terms: 5y + -5y = 0
-15 + -3y = -81 + 0
-15 + -3y = -81

Add '15' to each side of the equation.
-15 + 15 + -3y = -81 + 15

Combine like terms: -15 + 15 = 0
0 + -3y = -81 + 15
-3y = -81 + 15

Combine like terms: -81 + 15 = -66
-3y = -66

Divide each side by '-3'.
y = 22

Simplifying
y = 22

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