Question

Resolva os seguintes sistemas

Answer 1

a) x = 0 + 5y. 2. ( 0+5y) + y = 110
0 + 10y + y = 110
11y = 110
Y = 10
X = 0 + 5. 10
X = 50

b) y = -4 -2x. 3x + 6. (-4-2x) = -15
Y = -4 -2. (-1) 3x - 24 - 12x = -15
Y = -2 3x - 12x = -15 + 24
-9x = 9 (-1)
X = -9/9 = -1