Respuesta :

Answer:

f=-5

Step-by-step explanation:

1) Add 12 to both sides

2) You should get f=-5

CharlieBrown2002

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.