Answer:
[tex]x = 7[/tex]
Step-by-step explanation:
[tex]7 - 5x = - 2x - 14 \\ add \: 2x \: on \: both \: sides \\ 7 - 3x = - 14 \\ subtract \: 7 \: on \: both \: sides \\ - 3x = - 21 \\ x = 7[/tex]
