Respuesta :

spammingallowed

Answer:

[tex]let \: the \: unknown \: = x \\ then \: x \times 3 + 2 = - 19 \\ 3x + 2 = - 19 \\ 3x = - 19 - 2 \\ 3x = - 21 \\ x = - 21 \div 3 = - 7 \\ x = - 7 \\ thank \: you[/tex]