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Mama L [17]
3 years ago
9

What value of r makes –6r + 2(r + 2) – 5 = -20 true?

Mathematics
1 answer:
OlgaM077 [116]3 years ago
4 0
Hello!

To find the answer we need to solve for r. First we undo the parentheses.

-6r+2r+4-5=-20

Now we combine like terms.

-4r-1=-20

We add one to both sides.

-4r=-19

Divide both sides by -4.

r=4.75

I hope this helps!
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