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rewona [7]
3 years ago
6

If A = -4m + 1, and B = 7m - 9, what is the value of A + B, in simplest form?

Mathematics
2 answers:
Sliva [168]3 years ago
7 0

Answer:

b. 3m - 8

Step-by-step explanation:

    A = -4m + 1

    B =   <u>7m -  9</u>     Add the terms in columns

A +B =  3m -  8

Natasha2012 [34]3 years ago
4 0
The ore the answer is B. Why?

Because (-4m+1) + (7m-9) = 3m - 8

You add -4m and 7m and get 3m and the only answer that has a POSITIVE 3m is B.

Anyways, you still have to check it. 1+(-9) is -8. So A+B = 3m - 8
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Step-by-step explanation:

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Next, find the amount of measurement of miles per 4 inches:

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