SOLUTION: 2.8-3x=20 what is x?

Algebra ->  Expressions-with-variables -> SOLUTION: 2.8-3x=20 what is x?       Log On


   



Question 219154: 2.8-3x=20 what is x?

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2.8-3x=20
-3x=20-2.8
-3x=17.2
x=17.2/-3
x=-17.2/3 ans.
Proof:
2.8-3*-17.2/3=20
2.8+17.2=20
20=20