narmeen031900 narmeen031900

28-06-2016
Mathematics

Answered

Solve this system of equations using substitution. Put your answer in ordered pair form, (x, y). x + y = 154x + 3y = 38

Verified Answer :

30-06-2016

Hello,
x+y=15==>x=15-y
4x+3y=38==>4(15-y)+3y=38==>-y+60=38
==>-y=-22==>y=22 and x=15-22=-7
sol={(-7,22)}

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