Question

sendo a equacao 6x -y=42 encontre as solucoes quando a x=8 b y=8 

Answer 1

Quando x=8
6.8 - y =42
-y = 42 - 48
Y=6

Quando y=8
6.x - 8 = 42
x= 42+8/6
x= 50/6
X= 8,333

Answer 2

6x-y=42
6.8-y=42
48-42=y
y=6

6x-y=42
6x-8=42
6x=42+8
6x=50
x=50/6
x=8,3