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Kisachek [45]
3 years ago
7

Evolution the expression when a=–3 and x=3 5a–x

Mathematics
2 answers:
Dafna11 [192]3 years ago
5 0

It's a good idea to get into the habit of using <u>parentheses</u> when substituting numbers in for variables.

Since <em>a = -3</em> and <em>x = 3</em>, 5a - x is 5(-3) - (3).

5(-3) is -15 and we have (-15) - 3 which simplifies to -18.

Juliette [100K]3 years ago
5 0

Answer:

-18

Step-by-step explanation:

<u>Step 1:  Substitute -3 for a and 3 for x</u>

5a - x

5(-3) - (3)

-15 - 3

<em>-18</em>

<em />

Answer:  -18

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