Question

Calcule as expressões a seguir: a) 50 + (3x − 4) = 2 . (3x – 4) + 26 g) x + 2 - 10x - 3x = x + 3 5 2 4​

Answer 1

Resposta:

50 + (3x - 4) = 2(3x - 4) + 26

 

50 + 3x - 4 = 6x - 8 + 26

 

3x - 6x = - 8 + 26 - 50 + 4

 

-3x = - 28

 

x = 2