NiginRamzi
NiginRamzi NiginRamzi
  • 22-02-2021
  • Mathematics
contestada

Given that 2x – 7y = 30
Find y when x = = -3
Give your answer as an improper fraction in its simplest form.
y =

Respuesta :

spicylizzie
spicylizzie spicylizzie
  • 22-02-2021

Answer:

x = -3; substitute it to the other equation.

2(-3) - 7y = 30

-6 - 7y = 30

-7y = 30 + 6

-7y = 36

y = -36/7

we will not round the number because the question is asking for an improper fraction at its simplest form.

Answer Link
priyanshu87
priyanshu87 priyanshu87
  • 22-02-2021

Answer:

5.1

Step-by-step explanation:

2*-3 - 7y =30

-6 + 7y = 30

7y = 30 + 6

y = 36 / 7

i.e. y = 5.1

Answer Link

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