1.

solve \( x-2 y=0,3 x+4 y=20 \) (By using eliminationmethod)

Answer»

Given the equations
x−2y=0
or, x=2y.......(1).
And
3x+4y=20......(2).
Now, using values of x in (2) we get,
10y=20
or, y=2.
Then x=4.
So, solutions is x=4,y=2.



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