Question

x-3y=5 x+3y=5 resultado y comprobacion

Answer 1

x - 3y = 5

x + 3y = 5

2x = 10

x = 10/2

x = 5

5 + 3y = 5

3y = 5-5

y = 0

comprobacion:

5 - 3(0)=5

5=5

5 + 3(0)=5

5=5