15y-138=8y

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Solution for 15y-138=8y equation:


Simplifying
15y + -138 = 8y

Reorder the terms:
-138 + 15y = 8y

Solving
-138 + 15y = 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-138 + 15y + -8y = 8y + -8y

Combine like terms: 15y + -8y = 7y
-138 + 7y = 8y + -8y

Combine like terms: 8y + -8y = 0
-138 + 7y = 0

Add '138' to each side of the equation.
-138 + 138 + 7y = 0 + 138

Combine like terms: -138 + 138 = 0
0 + 7y = 0 + 138
7y = 0 + 138

Combine like terms: 0 + 138 = 138
7y = 138

Divide each side by '7'.
y = 19.71428571

Simplifying
y = 19.71428571

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