Add to both sides of the equation.

Add and .

Add to both sides of the equation.

Add and .

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

Solve for y 15y-7=57-y

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# Solve for y 15y-7=57-y

Add to both sides of the equation.

Add and .

Add to both sides of the equation.

Add and .

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

Solve for y 15y-7=57-y