5n+5+7n=47+5n

Add 5n and 7n.

12n+5=47+5n

Subtract 5n from both sides of the equation.

12n+5-5n=47

Subtract 5n from 12n.

7n+5=47

7n+5=47

Subtract 5 from both sides of the equation.

7n=47-5

Subtract 5 from 47.

7n=42

7n=42

Divide each term in 7n=42 by 7.

7n7=427

Cancel the common factor of 7.

Cancel the common factor.

7n7=427

Divide n by 1.

n=427

n=427

Divide 42 by 7.

n=6

n=6

Solve for n 5n+5+7n=47+5n