Question

3× +1 +2× -1 +x+4 = 22 responda

Answer 1

Olá!

$3x + 1 + 2x - 1 + x + 4 = 22 \\ 6x + 4 = 22 \\ 6x = 22 - 4 \\ 6x = 18 \\ x = 18 \div 6 \\ x = 3$

Answer 2

3x + 1 + 2x -1 + x + 4 = 22

3x + 2x + x = 22 - 1 + 1 - 4

6x = 18
 
  x = 18 / 6
 
  x = 3

Resposta: 3

Espero ter ajudado!