What is a possible first step to eliminate the variable y in the following system?
4x + 6y = 1
5x – 3y = 8

Multiply the first equation by 5.

Multiply the first equation by –2.

Multiply the second equation by 2.

Multiply the second equation by –3.

Question

What is a possible first step to eliminate the variable y in the following system?
4x + 6y = 1
5x – 3y = 8

 Multiply the first equation by 5.

 Multiply the first equation by –2.

 Multiply the second equation by 2.

 Multiply the second equation by –3.

hartnn · Answer

since the co-efficient of y in 2nd equation is -3, you can multiply it with 2 to get the co-efficient as -6, so that u can then add both the equations, eliminating y.