Question

Rezolvati in multimea Z ecuatia: a) 3x+72=0 b) -8y+800=0 c) 22z+440=0

Answer 1

a) 3x + 72 = 0

3x = -72

x = -72/3

x = -24

b) -8y + 800 = 0

-8y = -800

y = (-800)/(-8)

y = 100

c) 22z + 440 = 0

22z = -440

z = (-440)/22

z = -20