Answer :

3a - 4p + 3m
So you have to substitute the variables, by its numbers:
3(5.6) - 4(4.3) + 3(4)
Now multiply:
16.8 - 17.2 + 12
Now add or subtract from left to right
-0.4+12
=11.6

Your final answer is:
11.6

Answer:

11.6

Step-by-step explanation:

The first thing you must do is to substitute the variables with your numbers.

3a         4p       3m

3(5.6) - 4(4.3) + 3(4)

Next, you multiply the number in parentheses with the numbers you just substituted.

3(5.6)=16.8

4(4.3)=17.2

3(4)=12

Now you have

16.8 - 17.2 + 12

Subtracting 16.8 from 17.2 will give you −0.4

And finally, adding −0.4 + 12 will give you 11.6 :)

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