3x+4y+16=0
2x+4y+7=0
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=3x+4y+16=0
=4y=-3x-16 .........................(i)
=2x+4y+7=0
=2x+(-3x-16)+7=0.............(BY EQ (i) )
=2x-3x-16+7=0
=x=-9 .............................(ii)
PUTTING THE VALUE OF x IN EQ(i)
4y=-3x-16
=4y=-3*-9-16
=4y=27-16
=y=11/4
x=9,y=11/4
AAYA SAMAJ ME.
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