if someone could help and walk me through what to do that would be great

Solve the following system of equations.

x + 3y + 2z = –16
2x – y + 2z = –15
2x – 2y – z = 1

Question

if someone could help and walk me through what to do that would be great 

Solve the following system of equations.

x + 3y + 2z = –16
2x – y + 2z = –15
2x – 2y – z = 1

anonymous · Answer

well you can first multiply some equations to get equal or opposite equations so that you can cancel out to get one variable

anonymous · Answer

so if i wanted to get x i would multiply two the equations by z and y to cancel it out?

uri · Answer

Is this Cramer's rule?

anonymous · Answer

honestly i dont know

amistre64 · Answer

a matrix row reduction is usually best for 3x3 and above .... substitution is doable but a pain

amistre64 · Answer

letting one variable be zero to solve the other 2 can help too