An expression is shown below:

1 answer:

Crank3 years ago

4 0

Part A.
4m + 12 + 20m

2 (2m + 6 + 10m)

Part B.
2 (2m + 6 + 10m) = 4(m + 3 + 5m)

4m + 12 + 20m = 4m + 12 + 20m

24m + 12 = 24m + 12

My apologies...but I don't understand what you mean by algebraic properties.

Part C.
Assuming m = 2

4 (m + 3 + 5m)
4 (2 + 3 + 5 × 2)
4 (5 + 10)
4 (15)
60

4m + 12 + 20m
4 (2) + 12 + 20 (2)
8 + 12 + 40
20 + 40
60

Hope this helps!

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