Question

Solve each system by graphing. Check your solution.
11) y=1/2 x + 7 y=3/2 x + 7
13) y=x - 4 y= - x
Can someone help me understand help me figure it out these two question??

Answer 1

the solution is the intersection of the two lines

graph the lines and see where they cross

there are graphing utilities online
... fooplot is one