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Charra [1.4K]
3 years ago
11

3x-7y=2 solve for x. Can you show how you do it?

Mathematics
2 answers:
9966 [12]3 years ago
8 0
1)  3x-7y=2
2)  If you're solving for x, you want to isolate it, so move the -7y to the right:
          3x = 7y + 2
3)  Now, to get x by itself, you divide both sides by 3
          3x/3 = (7y + 2)/3
4)  You get:
           x = 7/3y + 2/3 
Sergeeva-Olga [200]3 years ago
4 0
So, 3 * 4 = 12 , 7 * 1.5 = 10. 12-10 = 2 so x= 4<span /><span />
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The key is to find the largest number that you can think of that will go into BOTH the top and the bottom evenly.

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Number 4: 45/54; the highest number that goes into both is 9, so you divide both top and bottom by 9 and your answer is 5/6.

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Is this making sense?

The bottom, numbering 1 to 9 from left to right. The correct ones are 1, 6 and 9.

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For 4: 24/49 is closer to 25/50 than 20/50. 25/50 can be divided by 25, so the answer is 1/2.

For 5: it was all correct, but the answer can be further reduced from 2/8 to 1/4.

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For 8: 13/21 is about 15/20, and 5 goes into both, so the answer is 3/4.

As your child continues to learn this, remember that if he or she gets an answer like 2/6 or 6/12, they should ask themselves if they can further reduce the fractions- 2/6 reduces to 1/3, and 6/12reduces to 1/2. I know it's confusing, but they do get the hang of it with practice
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Step-by-step explanation:

i hope this helps

have a nice day/night

mark brainiest please

:)

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