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34kurt
3 years ago
5

Can i get the steps to this equation please ! 2a-4(a-5)=10

Mathematics
1 answer:
expeople1 [14]3 years ago
8 0

Answer:

a=5

Step-by-step explanation:

You'll want to expand the -4(a-5) first.  That'll be :

-4a+20.  

So 2a-4a+20=10.  

Variables on the left, plain numbers on the right:

2a-4a=10-20

-2a=-10

-a=-5

a=5

Done.  

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Which would be appropriate compatible numbers to use to estimate (19 4/5) (4/6) A. 16(1/3) B. 19(2/3) C. 20(1/2) D. 20(1)
podryga [215]

Answer:

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Let's find the value of the expression before looking for the nearest estimate

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B. 19(2/3) = 12.667

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3 years ago
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