Answer:
[tex]x=-2[/tex]
Step-by-step explanation:
Switch sides
[tex]28+7x =14[/tex]
Subtract 28 from both sides
[tex]28+7-28=14-28[/tex]
Simplify
[tex]7x=-14[/tex]
Divide both sides by 7
[tex]\frac{7x}{7} = \frac{-14}{7}[/tex]
Simplify
[tex]x=-2[/tex]
