oliviagee2025 oliviagee2025
  • 23-11-2020
  • Mathematics
contestada

Julio ​says, If you subtract 18 from my number and multiply the difference by −4​, the result is −20​. What is Julio​s ​number?

Respuesta :

macmaddy1432
macmaddy1432 macmaddy1432
  • 23-11-2020

Answer:

Julio's number is 40

Step-by-step explanation:

"If you subtract 17 from my number and multiply the difference by negative 4​, the result is negative 92​.

n= number

(n-17)*(-4) = -92

distribute

-4 *n - 17*(-4) = -92

-4n +68 = -92

subtract 68 from each side

-4n +68-68 = -92 -68

-4n = -160

divide each side by -4

-4n/-4 = -160/-4

n = 40

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