Question

graph the linear equation x-y=4

Answer 1

it becomes y=x-4
Method 1:
you can substitute different values of x and take different values of y and then plot them .
for example x 0 1 2 3 4
y -4 -3 -2 -1 0
Method 2:
you can plot the graph for y=x and then shift is to the right along x-axis 4 points