3 years ago

Translate the sentence into an equation. Two more than the product of a number and 4 is equal to 7.

Mathematics

1 answer:

podryga [215]3 years ago

4 0

let x = the number

4x+2=7

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Answer:

Step-by-step explanation:

P(7,r) = 5040

$P(n,r)=\dfrac{n!}{(n - r)!}\\\\\\n = 7 \\\\\dfrac{7!}{(7 - r)!}=5040\\\\\\7! = (7-r)!*5040\\\\(7-r)!=\dfrac{5040}{7*6*5*4*3*2*1}\\\\\\(7-r)!=\dfrac{5040}{5040}\\\\\\(7-r)!=1\\\\$

(7 - r)! = 1!

7 -r = 1

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7 - 1 = r

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