If 2x+3y=19 and 5x+4y= 37, then fin...
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If 2x+3y=19 and 5x+4y= 37, then find the values of x and y.

IIT/JEE
Maths
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(1) ( 2 x+3 y=19 ) and ( -5 x+4 y=37 ) ( 3010 quad 2 x+3 y=19 ) [ 5 x+4 y=37 ] We shall substract eq (1) from (2) to cancel one of the variable i.exary eq (1) will ( 60 rightarrow 10 x+15 y=95-3 ) ( cos x i u b e rightarrow log x+8 y=74 rightarrow(4) ) ( Rightarrow quad e_{q}(vec{y})-(overrightarrow{4}) Rightarrow quad 7 y=21 ) ( y=3 ) :fameq ( rightarrow x=frac{19-3 times 3}{2}=frac{19-9}{2}=5 Rightarrow overline{mathrm{R}} )
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