melaniecalderon melaniecalderon
  • 01-03-2021
  • Mathematics
contestada

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

Respuesta :

tm175805 tm175805
  • 01-03-2021
(3,1) and hope this helps
Ver imagen tm175805
Answer Link
xinjacklei08 xinjacklei08
  • 01-03-2021

Answer:

X=3 y=-1

Step-by-step 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 Link

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