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If you take a number, times by 3 then add 5. You get the same as if you took the number, times by 7 then subtract 8. What is the number?

Relax

Respuesta :

adriannarc
3x+5=7x-8
Subtract 5 from both sides
3x=7x-13
Subtract 7 from both sides
-4x= -13
Divide by -4
X= 13/4
BasketballEinstein

Answer:

[tex]\displaystyle \boxed{3\frac{1}{4}}[/tex]

Step-by-step explanation:

7n - 8 = 3n + 5

- 7n - 5 - 7n - 5

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[tex]\displaystyle \frac{-13}{-4} = \frac{-4n}{-4} \\ \\ 3\frac{1}{4} = n[/tex]

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