Question

5-Resolva os sistemas de equações:

a)x+y=1

-x+y=-1


b)x-y=5

x+y=15


c)2x+y=2

-2x-3y=2


d)-x-y=-6

-x+y=2


e)7x+y=12

3x+y=8​

Answer 1

Resposta:

museums match the morning and I will be there

the morning show you the morning and I will be there at the same time I will be there at the same time

Explicação passo-a-passo:

try to get a hold of the morning to you too my love I will be there at the same