Seudónimo Seudónimo
  • 24-02-2015
  • Mathematics
contestada

What is the value of the equation 3x-4y=65 when y=4

Respuesta :

Kevin890 Kevin890
  • 25-02-2015
4x4=16. So think of it like this now..
3x-16=65

Add 16 in each side and you get 3x=81. Divide 3 with 81 and should be 27, or x=27.
Then you check it by putting in the #'s

3(27)-4(4)=65
81-16=65
65=65 ✔️
Answer Link
pamelaallison181
pamelaallison181 pamelaallison181
  • 23-01-2020

Answer:

i personally think x=27 is the best choice for this one

Step-by-step explanation:

Answer Link

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