Question

encontre o valor de x e y y = x - 1 y = - 2x + 7

Answer 1

x = ?
y = ?
y = x - 1
y = -2 x + 7
x - 1 = -2 x + 7
x + 2 x = 7 + 1
3 x = 8
x = 8/3
y = x - 1
y = 8/3 - 1
m.m.c = 3
y = 8/3 - 3/3
y = 5/3

Resposta x = 8/3 e y = 8/3