Question

resolva os sistemas: x-y=5 / x=4y +3​

Answer 1

Resposta:

Explicação passo-a-passo:

1° x-y=5

4y+3-y=5

3y+3=5

3y=5-3

y=2/3

2°x=4y+3

x=4(2/3)+3

x=8/12+3

x=(8+36)/12

x=44/12

x=11/3