Answer:
[tex]\huge \boxed{F=-5}\checkmark[/tex]
Step-by-step explanation:
First, switch sides.
[tex]\displaystyle F-7=-12[/tex]
Then, add by 7 from both sides of equation.
[tex]\displaystyle F-7+7=-12+7[/tex]
Simplify, to find the answer.
[tex]\displaystyle -12+7=-5[/tex]
[tex]\huge \boxed{F=-5}[/tex], which is our answer.
