Multiply both sides of the equation by 3.
Multiply 8 by 3.
Move all terms not containing a to the right side of the equation.
Add 4 to both sides of the equation.
Add 24 and 4.
Divide each term by 2 and simplify.
Divide each term in 2a=28 by 2.
Cancel the common factor of 2.
Cancel the common factor.
Divide a by 1.
Divide 28 by 2.
Solve for a (2a-4)/3=8