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Aneli [31]
3 years ago
11

4x + 5y = 19 , 5y - 4x = 38​

Mathematics
1 answer:
Eva8 [605]3 years ago
8 0

Answer:

Step-by-step explanation:

Adding both equations

4x+5y+5y-4x=19+38

10y = 57

y= 5.7

Subtracting equation i from ii

5y-4x-4x-5y=38-19

-8x=9

x= -0.9

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solmaris [256]

m = \frac{29}{18}

add \frac{11}{6} to both sides

m = - \frac{2}{9} + \frac{11}{6}

we require a common denominator for both fractions before adding

multiply numerator/denominator of - \frac{2}{9} by 2

multiply the numerator/denominator of \frac{11}{6} by 3

= - \frac{4}{18} + \frac{33}{18} = \frac{29}{18}


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3 years ago
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Fiesta28 [93]
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svp [43]
25 to 45 can also be written as 25/45
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Yakvenalex [24]

Answer:

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