1.

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2x+3y+1=0 ...... EQN 1
7-4x=3y
=4x+3y-7=0 ..... eqn 2

eqn 1*2H
= 4x+6y+2=0 .... eqn 3

Now, eqn 3- eqn 2 =
4x+6y+2=0
-4x+3x-7=0
= 3x+9=0
x= -3

4(-3)+6y+2=0
6y= 10
y=10/6
y=5/3

HOPE IT HELPS :)



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