3y=15+5-7y

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Solution for 3y=15+5-7y equation: 


Simplifying
3y = 15 + 5 + -7y

Combine like terms: 15 + 5 = 20
3y = 20 + -7y

Solving
3y = 20 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
3y + 7y = 20 + -7y + 7y

Combine like terms: 3y + 7y = 10y
10y = 20 + -7y + 7y

Combine like terms: -7y + 7y = 0
10y = 20 + 0
10y = 20

Divide each side by '10'.
y = 2

Simplifying
y = 2

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