Question

e)s x - y = 3
x+3y = 11​

Answer 1

Explicação passo-a-passo:

• x-y=3

x+3y=11

x=3+y

x+3y=11

3+y+3y=11

4y=11-3

4y=8

y=8/4

y=2

x-y=3

x-2=3

x=5