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Harman [31]
3 years ago
5

Evaluate the expression when a= 4 and b= -7. -9a+b

Mathematics
2 answers:
Helen [10]3 years ago
4 0

Answer:

-43

Step-by-step explanation:

So first things first you will multiply -9 by 4 and that gives you -36, Next you will add -7 to -36 which gives you -43.

-9(4)+(-7)\\-36+(-7)  \\= -43

Hope this helps :D

ioda3 years ago
4 0
We simply just substitute the values into the equation
-9(4)+-7
Which is -43
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