Respuesta :

3x + 7 = 34
- 7 - 7
3x=27
3/3 27/3
x=9
What you have to start with is isolating the variable, in this case it is X.

So, 3x+7=34 is now 3x=41

Then divide each side by 3 to isolate the x even more.

X=41/3 or 13.66 repeating