Question

Milley wants to solve the following equations using the method of elimination:

y = x – 2
y = 4x – 8

What number should y = x – 2 be multiplied by to eliminate x?

2
–4
6
8

Answer 1

she should multiply y = x - 2 by -4...that way one x will be -4x and the other will be 4x and they will cancel out when added.

answer is -4