3y-15+7y=15

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Solution for 3y-15+7y=15 equation:


Simplifying
3y + -15 + 7y = 15

Reorder the terms:
-15 + 3y + 7y = 15

Combine like terms: 3y + 7y = 10y
-15 + 10y = 15

Solving
-15 + 10y = 15

Solving for variable 'y'.

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

Add '15' to each side of the equation.
-15 + 15 + 10y = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 10y = 15 + 15
10y = 15 + 15

Combine like terms: 15 + 15 = 30
10y = 30

Divide each side by '10'.
y = 3

Simplifying
y = 3

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