Resposta:

Explicação passo a passo:

3 (2× + 1) + 4 (2× - 1)​ =

6x + 3 + 8x - 4 =

14x - 1

Verified answer

Olá

[tex]\LARGE\tt{}3(2x + 1) + 4(2x - 1) \\ \LARGE\tt{}6x + 3 + 4(2x - 1) \\ \LARGE\tt{}6x + 3 + 8x - 4 \\ \LARGE\tt{}14x + 3 - 4 \\ {\large\boxed{\boxed{  { \LARGE \tt 14x - 1 }}}}[/tex]

[tex]{\large\boxed{\boxed{  { \large \tt BONS \: \: ESTUDOS \: MEU \: ANJO \:\red{\heartsuit} }}}}[/tex]