Move all terms containing f to the left side of the equation.
Add f to both sides of the equation.
Add -3f and f.
Divide each term by -2 and simplify.
Divide each term in -2f=24 by -2.
Cancel the common factor of -2.
Cancel the common factor.
Divide f by 1.
Divide 24 by -2.
Solve for f -3f=24-f