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One-third of the difference of a number and nine is negative fifteen. What is the number?​

User BradC
by
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2 Answers

2 votes

Answer:

1

Explanation:

User Wgpubs
by
7.3k points
5 votes

hi <3

lets call the unknown number 'x' for now and form an equation from what we know

1/3(x-9) = 15

now multiply both sides by 3

x - 9 = 45

add 9 to both sides

x = 54

hope this helps :)

User Llistes Sugra
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7.1k points