Bunuel wrote:

What is the value of x?

(1) 4x = 2y − 6

(2) (y - 3)/2 = x

Kudos for correct solution.

What is the value of x?\((1)\)\(4x = 2y − 6\)

We cannot determine the value of x as we are un-aware of the value of y neither it can be computed with given equation.

Hence, (1) ===== is NOT SUFFICIENT\((2) (y - 3)/2 = x\)

We cannot determine the value of x as we are un-aware of the value of y neither it can be computed with given equation.

Hence, (2) ===== is NOT SUFFICIENTCombining (1) & (2)

Lets substitute value of (2) in (1)

\(\frac{(y - 3)}{2} = x\) =====> (2)

\(4x = 2y − 6\) =====> (1)

\(4 * \frac{(y-3)}{2} = 2y - 6\)

\(2 * (y-3) = 2y - 6\)

\(2y - 6 = 2y - 6\)

As both the sides of the equation are same, we cannot determine the value of the x

Hence, (1) & (2) ===== is NOT SUFFICIENT

Hence, Answer is E
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