Question

please help me

Answer 1

are you familiar with determinants?

Answer 2

first, we need to set up the matrix of coefficients found on the left side

Answer 3

what do you get when you set that matrix up?

Answer 4

what do you mean?

Answer 5

for each equation, focus on the left side

pull out all of the coefficients and write them into a 3x3 matrix

Answer 6

what matrix do you get?

Answer 7

you can type it out or draw it if you want