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Evaluate the expression when a = 3 and x = -7 .
-a + 9x

1 Answer

6 votes
So we are given the value of a and x.
a = 3 and x = -7
We are then given the expression to evaluate with the given values. We can simply put the given values in for the expression.
So whenever we see an a, we put 3, and for x, we put -7.

-a + 9x
Put in the given values:
-(3) + 9(-7)
Calculate:
-3 + -63
Calculate:
-66
That’s your answer!

Hope this helped!
User Mihaly KR
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