Answer:
m = 9.3
Step-by-step explanation:
m- 4.2=5.1
+4.2 +4.2
m= 9.3
you want to solve for m
to get it alone you need to add 4.2 to both sides
m - 4.2 + 4.2 = 5.1 + 4.2 The 4.2 on one side cancel out solving for m
