3 years ago

Grandpa gump is 63yrs old. His age is 2 years less than 5 times the age of billy Gump. How old is Billy?

Mathematics

1 answer:

AveGali [126]3 years ago

6 0

5x -2 = 63

<u> +2 = +2 (add 2 to both sides)</u>

<u>5x = 65 (your equation)</u>

5 5 (divide both sides by 5)

x = 13

Billy is 13 years old.

(check: 13 x 5 - 2 = 63

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