Answer:
[tex]x=-20[/tex]
Step-by-step explanation:
[tex]\frac{x}{5}+7=3\\ \\\frac{x}{5}+7-7=3-7\\ \\\frac{x}{5}=-4\\ \\\frac{x}{5}*5=-4*5\\ \\x=-20[/tex]
-20