diazk9985 diazk9985
  • 13-10-2020
  • Mathematics
contestada

In the expression y=3x+7 what does the input have to be in order for the output to be -2?

Respuesta :

Santiago87
Santiago87 Santiago87
  • 13-10-2020

Answer:

x= -3

Step-by-step explanation:

you replace y with -2 as the output

then subtract the 7 on both sides to have '-9=3x'

divide by 3 on both sides

x= -3

Answer Link
nrajpal
nrajpal nrajpal
  • 13-10-2020

Answer:

x=-3

Step-by-step explanation:

y=3(-3)+7

y=-9+7

y=-2

Answer Link

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