Question

What is…. x+y=1
x-y=7 Solve equation

Answer 1

Answer: x+y=1:

y|x

0|1

1|0

x-y=7:

x|y

0|-7

1|-6

Explanation:

x+y=1

Graph the line using the slope and y-intercept, or two points.

Slope: -1

Y-intercept: (0,1)

x-y=7

Graph the line using the slope and y-intercept, or two points.

Slope: 1

y-intercept: (0,−7)

Hope this helps! Posted 1/3/23

Answer 2

x= 4

y= -3

Explanation:

x+y=1

+ x-y=7

-----------

2x = 8

x = 4

x+y=1

4+y=1

y= -3

graph:

x+y=1 is y= -x+1

x-y=7 is y= x-7

y= -x+1

y= x-7

graph is attached

looks like an X

they meet at (2,-3)