If \(x - 3y = - 20,\) then \(2x - 6y =\)

[Vincen]

If \(x - 3y = - 20,\) then \(2x - 6y =\)

(A) - 40
(B) - 10
(C) 0
(D) 10
(E) 40

Answer: A

Source: GMAT Paper Tests

[Scott@TargetTestPrep]

If \(x - 3y = - 20,\) then \(2x - 6y =\)

(A) - 40
(B) - 10
(C) 0
(D) 10
(E) 40

Answer: A

Solution:

Multiplying the given equation by 2, we have:

2x - 6y = -40

Answer: A