Linear Equations help
Following gmat ninjas 13 week study plan and in week 1 doing 10 sets of general system linear equations. I’m getting about half right and not sure where I keep going wrong. Here’s an example of my work on one I got wrong. Can anyone tell me what I’m doing wrong?
Following gmat ninjas 13 week study plan and in week 1 doing 10 sets of general system linear equations. I’m getting about half right and not sure where I keep going wrong. Here’s an example of my work on one I got wrong. Can anyone tell me what I’m doing wrong?