SOLUTION: 2X-5Y=10 3X+4Y=15 -----------

Question 334363: 2X-5Y=10
3X+4Y=15
------------
Answer by privani(34) (Show Source): You can put this solution on YOUR website!
2X-5Y=10 .... (1)
3X+4Y=15 .... (2)
------------ (1)*4 and (2)*5
8X -20Y=40 ...(3)
15X+20Y=75 ...(4)
------------ (3)+(4)
20X = 115
X = 115/20
X = 23/4 ....(5)
Substitute (5) in (1)
2X-5Y=10

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