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8 votes
Six less than three fourths of a number is nine. What is the number? Show the equation.

User Artfulhacker
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2 Answers

15 votes
15 votes

let x be the unknown number.


(3)/(4) x - 6 = 9 \\ (3)/(4) x(4) - 6(4) = 9(4) \\ 3x - 24 = 36 \\ 3x = 36 + 24 \\ 3x = 60 \\ (3x)/(3) = (60)/(3) \\ x = 20

THE UNKNOWN NUMBER IS 20

User Leilani
by
2.9k points
12 votes
12 votes

Answer:

x = -4

Explanation:


6-(3)/(4) x=9


-(3)/(4)x=9-6


x=(3)/(-(3)/(4) ) =-(12)/(3)


x=-4

Hope this helps

User Nan Yu
by
3.3k points