brandyrodriguez2006 brandyrodriguez2006
  • 14-04-2020
  • Mathematics
contestada

can anyone help?
If x = 3, what does y equal?
x = 3 y = ?
5x + 3y = 9

Respuesta :

johnsong14306
johnsong14306 johnsong14306
  • 14-04-2020

Answer:

y = -2

Step-by-step explanation:

Plug in 3 for x and you get:

15 + 3y = 9

Solve for, Subtract 15 oon both sides:

3y = -6

Divide by 3 on both sides:

y = -2

Answer Link
hgparkus hgparkus
  • 14-04-2020

Answer:

y = -2

Step-by-step explanation:

Substituting x for 3 we get

5(3) + 3y = 9

Since both sides are divisible by three, we do that

5 + y + 3

Isolate y

y = -2

Answer Link

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