please help me on this

Answer: m=2.8
Step-by-step explanation:
You can reverse the equation and instead solve...
4-1.2 which equals 2.8.
Answer:
m = 2.8
Step-by-step explanation:
m+1.2=4
move all terms containing m to the left and all other terms to the right.
+1m=+4-1.2
simplify left and right side of the equation.
+1m=+2.8
divide both sides of the equation by 1 to get m.
m=2.8