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Solve using linear combination
4x+y=5
3x+y=3


Sagot :

x= 2 , y= -3 
You have to multiply the second equation by a negative and the you'll get,        -3x-y=-3. the y's cancel out and then you combine the x's and the 5 and the 3 and then x=2 and then you pick one of the two equations and sub in the x and solve for y. 
x=2 y=3



think this could be it not 100% tough sorry