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V125BC [204]
3 years ago
13

Solve and recieve brain list ​

Mathematics
1 answer:
Mashutka [201]3 years ago
4 0

Answer:

-x -7y=-15

y=3x-1

-x-7(3x-1)=-15

-x-21x+7=-15

-22x+7=-15

-22x=-15-7

-22x=-22

x=-22/-22

x=1

y=3x-1

y=3(1)-1

y=3-1

y=2

(1, 2)

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Answer:

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Step-by-step explanation:

Usually, these are solved in 2 steps:

  1. eliminate fractions by multiplying by the LCM of the denominators
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Doing that, we have ...

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  36n = 49·5 = 245 . . . . . simplify

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Another way to do these is to rewrite the proportion with both sides inverted:

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Now, all you need to do is multiply by 5.

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Or, you can do both of the original steps at the same time:

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