Question

determinar X, y e z sabendo que :

Answer 1

x-2 + 1 = 3
x= 3 + 2 - 1
x= 4

y+1 + (-3) = 2
y +1 - 3 = 2
y= 2 - 1 + 3
y= 4

4 + (-2z - 3) = z
4 - 2z - 3 = z
-2z - z = -4 + 3 × (-1)
2z + z = 4 - 3
3z= 1
z= 1/3