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mr Goodwill [35]
3 years ago
13

Solve the system of equations using the substitution method. y=2+1/4x,

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0

Answer: (4,3)


Step-by-step explanation:

1. In this method you must solve one of the equation for one of the variables and substitute it into the other equation to find the other variable. Then, substitute the value of that variable into one of the original equation to obtain the value of the other one.

2 You have that:

y=2+1/4x

3. Then, you can substitute it into the other equation and solve for x:

3x-5(2+1/4x)=-3\\3x-10-5/4x=-3\\7/4x=7\\x=4

4. Now you can obtain y:

y=2+1/4x

y=2+1/4(4)\\y=3

5. The answer is:

(4,3)



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Vita saved $72 last December. This amount represents 2/9 of the total amount she saved last year. What is the total amount Vita
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\dfrac{2}{9} \text { of the saving} = \$72

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Find 1/9 :
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\dfrac{1}{9} \text { of the saving} = \$72 \div 2

\dfrac{1}{9} \text { of the saving} = \$36

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Find 9/9 :
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\dfrac{9}{9} \text { of the saving} = \$36 \times 9

\dfrac{9}{9} \text { of the saving} = \$324

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Answer: The total amount is $324.
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Step-by-step explanation:

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3 years ago
In Juan's coin bank there are nickels (n),
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Answer:

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Step-by-step explanation:

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  6. d=32
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Do you have a picture or anything that you could show us?
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