5a+2=17

Subtract 2 from both sides of the equation.

5a=17-2

Subtract 2 from 17.

5a=15

5a=15

Divide each term in 5a=15 by 5.

5a5=155

Cancel the common factor of 5.

Cancel the common factor.

5a5=155

Divide a by 1.

a=155

a=155

Divide 15 by 5.

a=3

a=3

Solve for a 5a+2=17