Question

x: y=3 rest 6
y: z=2 rest 4
x-z=43
Aflați x y z

Answer 1

x: y=3 rest 6; x = 3y + 6;

y: z=2 rest 4; y = 2z + 4;

                      x - z = 43;

(3y + 6) - z = 43; 3y - z = 37;

3(2z + 4) - z = 37; 6z + 12 - z = 37; 5 z = 25;

z = 5;

y = 2.5 + 4;

y =14;

x = 3.14 + 6;

x = 48.