mayranihernandez mayranihernandez

19-03-2020
Mathematics

contestada

if 20-x=15 what is the value of 3x

Respuesta :

VectorFundament120 VectorFundament120

19-03-2020

[tex]20-x=15\\-x=15-20\\-x=-5\\x=5[/tex]

If x = 5 then 3x = 15 because 3(5) = 15 substitute x = 5.

Answer Link

agallo514 agallo514

19-03-2020

Answer: 15

Step-by-step explanation: 20-x=15

-x=-5

x=5

3x = 3(5)

3x = 15

Answer Link

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