if 3X + 5Y=9 and 5x + 3Y=7 then what is the value of x + Y
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Step-by-step explanation:
3x+5y=9 .....(1)
5x+3y=7.........(2)
...(1)×3 & .....(2)×5
9x+15y=27.......(3)
-25x -15y=-35.....(4)
-16x =-8
x =1/2
isi type se x ka value koi bhi equation me rakhle ho jayega
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