Question

8-Resolva as equações, sendo U=Z:
a) X - 2 =10
b) X - 3 = 2
c) X-5 = 15
d) X + 4 = 8
e) X +9 = 18​

Answer 1

Resposta:

a) X - 2 =10

x = 12

b) X - 3 = 2

x = 5

c) X-5 = 15

x = 20

d) X + 4 = 8

x = 4

e) X +9 = 18​

x = 9