and
. What is the value of
and
?
(A)
and
(B)
and
(C)
and
(D)
and
(E) None of the above
We are given two equations and each equation consists of two variables. Let’s solve these equations by variable elimination method.
(1)
(2)
Multiplying equation (1) by 2 and equation (2) by 3, we get
(3)
(4)
Subtracting equation (3) from equation (4), we get
Putting value of
in equation (1), we get
Therefore,
and
Hence, the answer is (C).
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