Question

qual o sistema de 5x+y=5 5x-y=5​

Answer 1

y=5-5x

5x-(5-5x)=5

5x-5+5x=5

10x=10

x=1

5(1)+y=5

y=0

R: x=1 e y=0

Answer 2

sendo:

5x + y = 5

5x - y = 5

some:

10x = 10

valor de x:

x = 10/10 = 1

valor de y:

5 + y = 5

y = 0