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Solve these systems of equations 7x+2y= 3 and 14x4y=6 . I got y=3/2,
x= 6/7 am I right ?
 one year ago
 one year ago
Solve these systems of equations 7x+2y= 3 and 14x4y=6 . I got y=3/2, x= 6/7 am I right ?
 one year ago
 one year ago

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AravindGBest ResponseYou've already chosen the best response.1
hmm multiply first equation with 2
 one year ago

malutellaBest ResponseYou've already chosen the best response.0
well yeah i did that multiplying it by 2 so that when i add it in the second question 14x and 14X cancel out (I'm using linear combinations here)
 one year ago

AravindGBest ResponseYou've already chosen the best response.1
if thats the case both x and y cancels out!!
 one year ago

malutellaBest ResponseYou've already chosen the best response.0
In the first equation you do 2y times 2 = 4y. Now in the 2nd equation you have 4y soo 4y+ 4y is 8y which means that the ys don't cancel out
 one year ago

AravindGBest ResponseYou've already chosen the best response.1
infact both these lines are the same !!
 one year ago

AravindGBest ResponseYou've already chosen the best response.1
take a look at the graph
 one year ago

AravindGBest ResponseYou've already chosen the best response.1
http://www.wolframalpha.com/input/?i=solve+7x%2B2y%3D+3++and+14x4y%3D6
 one year ago

malutellaBest ResponseYou've already chosen the best response.0
yes I see...so there's something I'm doing wrong in my math here !
 one year ago

malutellaBest ResponseYou've already chosen the best response.0
u were right they are the same line!
 one year ago

AravindGBest ResponseYou've already chosen the best response.1
take a look at the question you have posted !!
 one year ago

AravindGBest ResponseYou've already chosen the best response.1
:P yep makes sure u type the qns right :)
 one year ago
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