Question

Given the system of linear equations. x + y = 7 2x + y = 5 Part A: Solve the system of linear equations using substitution Part B: Use a graph to verify your answer to the system In your final answer, include all of your work for both Parts A and B as well as the graph for Part B.

Answer 1

1) x+y=7
x=7-y

2)2x+y=5
2(7-y)+y=5
14-2y+y=5
-y=5-14
y= 9

x=7-9
x=-2

Answer 2

The answer -2............