Hurry. need an answer quick. sorry if this is made poorly, i have never used anything like before.

which method would be the best to solve the system of equations?

y=2/3x
y=−6x+1

(multiple choice) answers:

1.) graphing
2.) substitution
3.) process of elimination

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis