3x-y=1
x+y=,7 solve g
graphically
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= 3x - y = 1 , x+y =7
= 3x - y = 1, 3x +3y =3×7
= 3x -y =1, 3x +3y =21
=3x - 3x -y -3y = 1- 21
= - y - 3y = 1-21
= -4y =1-21
= -4y =20
= y= 5
=x+5 =7
= x=2
= x =2
=x = 2 , y= 5
i hope it's help you
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Answer:
x = 2 , y = 5 ....... it is the ans
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