3 years ago

5x−4=16 what do i do

Mathematics

1 answer:

aev [14]3 years ago

8 0

Answer:

x=4

Step-by-step explanation:

5x-4=16

5x-4+4=16+4 add 4 to each side

5x=20 simplify

5x/5=20/5 divide each side by 5

x=4 simplify

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Can anyone help me out on this question?

svp [43]

Firstly , we will check continuity at x=1

we can use method

Suppose, f(x) is continuous at x=c

then it must satisfy

$\lim_{x \to c} f(x)=f(c)$

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firstly , we can find limit

$\lim_{x \to 1-} f(x)= \lim_{x \to 1-}(x+3)=1+3=4$

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so, we get

$\lim_{x \to 1} f(x)= 4$

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$\lim_{x \to 1} f(x)=f(1) =4$

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3 years ago