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Seven times of a number decreased by ninety is thrice of that number. What is the number? ​

User Aliko
by
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1 Answer

4 votes

Answer:

22.5

Explanation:

x= the number

Let's write the statement as an equation, and solve for x.

7x-90=3x

-90=-4x

22.5=x

User FocusedWolf
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