Question

Select the best possible first step to solving the system by first eliminating the x variable.

3x + 5y = 1
2x + 4y = –4

a Multiply the first equation by 2 and multiply the second equation by 3.

b Multiply the first equation by –2 and multiply the second equation by 3.

c Multiply the first equation by –2 and multiply the second equation by –3.

d None of the above

Answer 1

b Multiply the first equation by –2 and multiply the second equation by 3.