kimkashirose kimkashirose

16-01-2022
Mathematics

contestada

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

Respuesta :

annie413 annie413

16-01-2022

Answer:

22.5

Step-by-step explanation:

x= the number

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

7x-90=3x

-90=-4x

22.5=x

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