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emmainna [20.7K]
3 years ago
15

How to solve system graphically 4y = x + 8, x = 2/3y +2

Mathematics
1 answer:
8_murik_8 [283]3 years ago
5 0
4y = x + 8
<u>x = 2/3y + 2</u>
4y = x + 8
<u>2/3y = x + 2</u>
<u>3 1/3y </u>= <u>  8   </u>
 3 1/3     3 1/3
        y = 2 2/5
4(2 2/5) = x + 8
   9 3/5 = x + 8
<u>       -8        -8</u>
   1 3/5 = x
     (x y) = (1 3/5, 3)
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<u>Question</u>:

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Answer:

Franklin had  \frac{3}{10} of his saving left.

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Let the remaining amount  be x

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x = 1- (\frac{2+5}{10})

x = 1- (\frac{7}{10})

x =\frac{10-7}{10}

x =\frac{3}{10}

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