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Evaluate the Expression: 8r - 4w - 9 when r = 7 and w = 4

User Titus P
by
9.1k points

2 Answers

6 votes

Answer:

= 31

Explanation:

So first plug in the numbers 8(7) - 4(4) - 16

then solve

56 - 16 - 9 = 31

User Kgx
by
7.9k points
2 votes

Answer:

31

Explanation:

8r - 4w - 9 when r = 7 and w = 4.

~Substitute

8(7) - 4(4) - 9

~Simplify

56 - 16 - 9

~Subtract

40 - 9

~Subtract

31

Best of Luck!

User George Tsifrikas
by
8.1k points

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