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If r = -4 find the value of 3r - 9.
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If r = -4 find the value of 3r - 9.

User Tuffy
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5 votes
The answer is -21. You fill in the r with -4 and you multiply 3 with -4 which is -12. Then subtract 9 from -12 which is the same as -12+-9 which is equaled to -21. Hope this helps.
User Ravi Mariya
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8.0k points
5 votes
3 × -4 -9=-21

you know r so its just fill in
User Yan Yang
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7.8k points
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