Solution:
Given solutions are,.... (1)
....(2)
Multiply (1) by 5, we get,
....(3)
Subtracting (2) from (3), we get,
⇒ ⇒
⇒ Substituting value of in (1), we get,
⇒ Hence, the correct option is 1.
MathematicsSolve the following pair of linear equations by the method of elimination.x+y=7 and 5x+12y=7.
Solve the following pair of linear equations by the method of elimination.
and .
.... (1)
....(2)
Multiply (1) by 5, we get,
....(3)
Subtracting (2) from (3), we get,
⇒ ⇒
⇒ Substituting value of in (1), we get,
⇒ Hence, the correct option is 1.
