Question

What is a possible first step in eliminating a variable in the following system of equations?

5x + 2y = 2
8x – y = –22

Choices:


A.Multiply the second equation by –2.

B.Multiply the second equation by 2.

C.Multiply the first equation by –2.

D.Multiply the first equation by 2.

Answer 1

A.Multiply the second equation by –2.

which would cancel y when you add two equation

Answer 2

ok thank u :]]]]

Answer 3

I'm going with b, you want to get your different signs between the top and bottom equation

Answer 4

b

Answer 5

I would say that A and B are both correct. If you choose B you have to add 2 equations, if you choose A, you have to substract the second from the first one