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ziro4ka [17]
3 years ago
8

The product of a three times a number and 7 is 63. find the number

Mathematics
1 answer:
just olya [345]3 years ago
8 0
Set it up algebraically

3 times a number so 3x where x = the mystery number

times 7 so 3x*7

and it equals 63 so,

3x*7=63

this can be further simplified to

21x=63

then just divide both side by 21 to get your answer

(21/21)x=(63/21)

so x=3

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