SOLUTION: The solution to the system of equations below is: 3x+4y=-6, x-5y=17
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Question 92860This question is from textbook Finite Mathematics
: The solution to the system of equations below is: 3x+4y=-6, x-5y=17
This question is from textbook Finite Mathematics
Answer by Tunde(2) (Show Source): You can put this solution on YOUR website!
3x+4y=-6....1 x-5y=17...ii from equation ii,x=17+5y...iii,subtitute eq iii into 1 for x ,3(17+5y)+4y=-6...iv,expand eq iv) 51+15y+4y=-6,collectlike term 15y+4y=-6-51,19y=-57,divide bothside by 19y,to get y,19y/19=-57/19,y=-3,to get x,subtitute for y=-3in equation iii,x=17+5(-3), 17-15=2,x=2
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