4 x + 6 y=15. 3x -4y=7
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4x+6y=15....(1)
3x-4y=7....(2)
add eq (1) and (2)
we get, 7x+2y=22...(3)
multiply eq(3) by 2
we get , 14x+4y=44...(4)
add eq(2) and (4)
we get, 17x =51.
x=51/17
x=3
substituting x=3 in eq(1)
4(3)+6y=15
12+6y=15
6y=15-12
6y=3
y=3/6
y=1/2
(x,y)=(3,1/2)
3x-4y=7....(2)
add eq (1) and (2)
we get, 7x+2y=22...(3)
multiply eq(3) by 2
we get , 14x+4y=44...(4)
add eq(2) and (4)
we get, 17x =51.
x=51/17
x=3
substituting x=3 in eq(1)
4(3)+6y=15
12+6y=15
6y=15-12
6y=3
y=3/6
y=1/2
(x,y)=(3,1/2)
raghavendra98:
Try it again.even I have not got
that question has some mistake
no it's correct
ok i will try again
sry question is correct
Thanks for following me
is u n ssc
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