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Eight times a number is the same as 90 decreased the number. find the number.

Eight times a number is the same as 90 decreased the number. find the number.
asked 39.7k views
3 votes
Eight times a number is the same as 90 decreased the number. find the number.

asked
User Jeffmayeur
by
7.5k points

1 Answer

1 vote
8n=90-n
first get the n to one side...
8n^2=90
then divide
n^2=11.25
(i feel like theres one more step but im unsure)
answered
User Iambriansreed
by
8.3k points
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