theunchartedbot theunchartedbot

13-02-2020
Mathematics

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X + y = 200
Y= 4x + 5

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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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