Answer:
the answer is 10.5m
Step-by-step explanation:
14.2m+3-2.1m+4.6
= 17.2m-2.1m+4.6
= 17.2m-6.7m
= 10.5m
12.1m + 7.6
14.2m + 3 - 2.1 + 4.6
Group like terms:
14.2 - 2.1 + 3 + 4.6
Add similar elements:
14.2m - 2.1m = 12.1m=
12.1m + 3+ 4.6
Add the numbers: 3 + 4.6 = 7.6=
12.1m + 7.6.
