Question

What is a possible first step to eliminate a variable in the following system?
2x – 3y = –1
3x – 4y = –3
Answer

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

All of the above.

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

Multiply the first equation by –4 and the second equation by 3.

Answer 1

All of the above..
because in each and every case coefficients become eqal in a variable..