Question

Se acertar ganha coroa

​

Answer 1

Resposta:

a) 6x =

x = 6

b) 2x -5=

2x= 5

x=5/2

c) 2x+3=

2x = -3

x = -3/2

d) 5x+7=

5x = -7

x = -7/5

e) 15x-2x=

13x =

x = 13

f) 2x-4 =

2x = 4

x = 4/2

x = 2

g) 5x + 10 =

5x = -10

x = -10/5

x = -2