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Alisiya [41]
3 years ago
6

- kobby is 5 years younger than Nana

Mathematics
2 answers:
viva [34]3 years ago
5 0
Kobby is 1 and nana 6
Darina [25.2K]3 years ago
4 0

Answer:

Kobby is 1 and Nana is 6

Step-by-step explanation:

lets mark Kobby's present age x, than Nana's present age would be x+5.

four years later Kobby's age would be x+4, and Nana's x+5+4, or 2(x+4).

so

x+5+4=2x+8

x-2x=8-5-4

-x=-1

x=1

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The verbal expression for the mathematical expression 5(x - 4) + 2 is the number 5 times the difference between an unknown x and the number 4 and plus 2.

<h3>What is an expression?</h3>

It is defined as the combination of constants and variables with mathematical operators.

It is given that a mathematical expression as below:

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Here x is the unknown number

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