Question

Graph. Identify the solution:
1) x + y = 2
X-y=4

Answer 1

X=3 y=-1

Explanation:

X+y=2

X-y=4

so that means

y=X-4

substitute it in

X+X-4=2

2x-4=2

2x=2+4

2x=6

x=3

3+y=2

3+-1=2

y=-1

ways to check

3--1=4

double minus equal plus

3+1=4

Answer 2

(3,1) and hope this helps