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lions [1.4K]
3 years ago
13

What is the answer20+8r=-4r+5r

Mathematics
1 answer:
Naily [24]3 years ago
5 0

Answer:

The answer is r = -20/7

Step-by-step explanation:

20 + 8r = -4r + 5 r⇒ collect like term

20 + 8r = r⇒separate different terms in different  sides

20 = r - 8r

20 = -7r⇒divide both sides by -7

r = 20/-7

r = -20/7

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Harold has 7 bags, each containing the same number of marbles. He has a total of 42 marbles in the bag
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Answer:

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Step-by-step explanation:

if he has 7 bags and 42 marbles in each then the answer will be 294

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3 0
3 years ago
(3x^2y^6)^7<br> please help me
DerKrebs [107]

Answer:

I'm not sure but I think the answer is 2187 X^ (14) Y^ ( 42)

Step-by-step explanation:

(3x^2y^6)^7

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5 0
3 years ago
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erik [133]
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3 0
3 years ago
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kati45 [8]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
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Artist 52 [7]
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Fraction: 7 11/15

HOPE THIS HELPED. ;-)
6 0
3 years ago
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