Question

Qual o resultado? Y-3=2× +1

Answer 1

Resposta:

x - 1 = 1 ==> 2x - 1 = 2 ==> 2x = 2+1==> 2x = 3==> x=3/2

2

2x - y - 5 = 2

y = 2x - 5 - 2

y = 2(3) - 7

2

y = 3 - 7

y = - 4

V = {(3/2, - 4)}