Question

X+Y=6
X-Y=1
Help please

Answer 1

X+Y=6
X-Y=1
Help please

X + Y = 6
X - Y = 1
X = 1 + Y
X + Y + Y = 6
2Y = 6 - 1
2Y = 5
Y = 5/2
Y = 2,5
X = 1 + 2,5
X = 3,5

Comprovando :

3,5 + 2,5 = 6
3,5 - 2,5 = 1

Resposta :

X = 3,5
Y = 2,5