Solution:
The given equations are,...(1)
...(2)
On adding (1) and (2), we get,
On putting in (1), we get,
Now, .
⇒ Hence, the correct option is 1.
MathematicsIf 2x+y=23 and 4x-y=19, find the value of 5y-2x.
If and , find the value of .
...(1)
...(2)
On adding (1) and (2), we get,
On putting in (1), we get,
Now, .
⇒ Hence, the correct option is 1.
