nma1003 nma1003
  • 15-09-2020
  • Mathematics
contestada

What is the value of x in the solution to this system of equations?
у + 2x = — 1
у = х +4

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courtneyallen2
courtneyallen2 courtneyallen2
  • 15-09-2020
I believe the answer is -5/3

Y+2x=-1 could become y=-2x-1 and then set that and x+4 equal to each other -2x-1=x+4 and add 2x to both sides to get -1=3x+4 and subtract by 4 on both sides to get -5=3x then divide by 3 and get -5/3=x
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