Answer:C. -26Step-by-step explanation:First, subtract by 4 both sides of equation.4+m/8-4=3/4-4Then, simplify.4+m/8-4=m/83/4-4=-13/4m/8=-13/4Multiply by 8 both sides of equation.8m/8=8(-13/4)Simplify to find the answer.8(-13/4)-8*13/413*8/4=-104/4104/4=-26X=-26 is the correct answer.C. -26 is the correct answer.