lilknowah lilknowah

25-10-2016
Mathematics

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If (x, 3.4) is a solution to the equation 3x – 5y = 55, what is the approximate value of x?

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jaisyjaison16 jaisyjaison16

25-10-2016

the answer is 5(11+y)/3

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apologiabiology apologiabiology

25-10-2016

(x,y)
plug i 3.4 for y

3x-5(3.4)=55
3x-17=55
add 17 both sides
3x=72
divide both sides by 3
x=24

x=24
(24,3.4)

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