Respuesta :

Ok so ax + 3b = 2f
If you take '3b' away from both sides,
This means that ax = 2f -3b
And so once you divide both sides by a, you get:
x = (2f-3b)/a

Hope this helped
ax+3b=2f
ax=2f-3b
x=2f-3b/a

Hope this helps!