Question

Resolva as seguintes expressões a seguir:

a) X + 4 = 10

b) X - 2 = 8

c) 2 . X = 4

Answer 1

Resposta:

a) x + 4 = 10

x = 10 - 4

x = 6

b) x - 2 = 8

x = 8 + 2

x = 10

c) 2 • x = 4

2x = 4

x = 4/2

x = 2