Question

Determine os valores de xe yem cada item.

Answer 1

a)

2 x 2 -3

7 0 y 0

x = -3, y = 7

b)

2x-1 0 5 3y 0 -5

0 4 6 0 2x 6

5y+3 -1 0 4x -1 0

2x - 1 = 3y

5y + 3 = 4x

2x = 4

x = 2

4 - 1 = 3y

3y = 3

y = 1

x = 2, y = 1