theunchartedbot theunchartedbot
  • 13-02-2020
  • Mathematics
contestada

X + y = 200
Y= 4x + 5

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harleyyquinnxx
harleyyquinnxx harleyyquinnxx
  • 13-02-2020
to answer you will need to use subtitution

x+(4x+5)=200
5x+5=200
-5 -5
5x=195
divide by 5

x=39

y=4(39)+5

y=161
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