snoopwolf snoopwolf
  • 04-08-2021
  • Mathematics
contestada

Use substitution to solve the following system of equations. What is the value of y?

Use substitution to solve the following system of equations What is the value of y class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 25-08-2021

Answer:

  • y = 6

Step-by-step explanation:

Use the second equation:

  • 2x - y = 2 ⇒ y = 2x - 2

Substitute this into first equation:

  • 3x + 4(2x - 2) = 36
  • 3x + 8x - 8 = 36
  • 11x = 44
  • x = 4

Now find y:

  • y = 2*4 - 2
  • y = 8 - 2
  • y = 6
Answer Link
ItzTds
ItzTds ItzTds
  • 26-08-2021

It is given that,

→ 2x - y = 2

Convert the equation as,

→ y = 2x - 2

First we should,

find the required value of x.

→ 3x + 4(2x - 2) = 36

→ 3x + 8x - 8 = 36

→ 11x = 44

→ [x = 4]

Let's find the required value of y,

→ y = 2x - 2

→ y = (2 × 4) - 2

→ y = 8 - 2

→ [y = 6]

Therefore, the value of y is 6.

Answer Link

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