Question

determine alguns pares ordenados que sejam soluções da equação x+y=10

Answer 1

Resp.:
(x;y)

(0,10)
(1,9)
(2,8)
(3,7)
_____________________________
x = 0
x + y = 10
0 + y = 10
y = 10
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
x = 1
x + y = 10
1 + y = 10
y = 10 - 1
y = 9
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
x = 2
x + y = 10
2 + y = 10
y = 10 - 2
y = 8
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
x = 3
x + y = 10
3 + y = 10
y = 10 - 3
y = 7
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨