Question

Resolva os sistemas-
{x+y=10
{x-y=6

Answer 1

x+y=10
x-y=6

2x=16
x=8

x+y=10
8+y=10
y=2

Espero ter ajudado (^_^)/

かんばて

Answer 2

{x+y=10
{x-y=6

2x=16. 8+y=10
x=16/2. y=10-8
x=8. y=2