Add -5m and m.
Move all terms not containing m to the right side of the equation.
Subtract 5 from both sides of the equation.
Subtract 5 from 25.
Divide each term by -4 and simplify.
Divide each term in -4m=20 by -4.
Cancel the common factor of -4.
Cancel the common factor.
Divide m by 1.
Divide 20 by -4.
Solve for m -5m+m+5=25