badluhty badluhty
  • 09-02-2021
  • Mathematics
contestada

Y=4-2x 3y-2x=4 solve using substitution

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eleonoreprovencher eleonoreprovencher
  • 09-02-2021

Answer:

x=1 y=2

Step-by-step explanation:

y=4-2x             3y=4+2x

3*(4-2x)=4+2x

12-6x=4+2x

12-4=2x+6x

8x=8

x=1

y=4-2*1

y=2

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alexatehee
alexatehee alexatehee
  • 09-02-2021
First turn the equation y=4-2x into a y=Mx+b formula. It would be y=-2x+4. Then plug it in into the y on the second equation. I’d be 3(-2x+4)-2x=4. Then solve. The answer is x=1. Hope it helped. :)
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