Iam having trouble solving this problem via elimination method.
y = -7+0
y = 1x-21

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.