2021FOLLOWme
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  • 13-02-2021
  • Mathematics
contestada

substitution !! Check your solution

y - x = 3x + 2
2x + 2y = 14 - y (by Substitution)
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Respuesta :

shubhekshya
shubhekshya shubhekshya
  • 13-02-2021

Answer:

6x+7y=14

Step-by-step explanation:

this may be wrong

but i tried

Ver imagen shubhekshya
Answer Link
Аноним Аноним
  • 13-02-2021

Step-by-step explanation:

y - x = 3x +2

y=3x+x+2

y=4x+2.......(1)

2x + 2y = 14 - y

2x+2y+y=14

2x+3y=14.........(1)

substituting value of y in equation 1

2x+3(4x+2)=14

2x+12x+6=14.

14x=14-6

14x=8

x=8/14=4/7

substituting value of x in equation 1

y=4×4/7+2=30/7

x=4/7

y=30/7

Answer Link

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