Respuesta :

TheIcePrincess

Answer:

[tex]\frac{215}{2}[/tex] (exact form) or 107.5 (decimal form) or [tex]107\frac{1}{2}[/tex] (mixed number form)

Step-by-step explanation:

Isolate the variable to get the answer.

[tex]2x+4-12=207[/tex]

Add 12 to both sides to get the equation.

[tex]2x+4=219[/tex]

Subtract 4 from both sides to get the equation.

[tex]2x=215[/tex]

Divide both sides by two to get the answer.

[tex]x=215/2[/tex]

antisociale
2x+4-12=207
First you need do 4-12 which equals to -8
So now the problem is 2x-8=215
We need to isolate the variable so we do the inverse operation of -8 which is +8
We add 8 to 207 which gives you 215
Now we divide 2 by 215 which is 107.5
The answer is 107.5