Move all terms containing m to the left side of the equation.
Subtract 11m from both sides of the equation.
Subtract 11m from 10m.
Move all terms not containing m to the right side of the equation.
Add 15 to both sides of the equation.
Add 13 and 15.
Multiply each term in -m=28 by -1
Multiply each term in -m=28 by -1.
Multiply -1 by -1.
Multiply m by 1.
Multiply 28 by -1.
Solve for m 10m-15=11m+13