SOLUTION: 4(2-x)=21 sove for x please :)

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: 4(2-x)=21 sove for x please :)      Log On


   

Question 791853: 4(2-x)=21 sove for x please :)
Answer by wilft1(217) About Me  (Show Source):
You can put this solution on YOUR website!
ok, solve for x...
4(2-x) = 21
eliminate the parenthesis by multiplying the insides by 4
8-4x = 21
subtract 8 on both sides
-4x = 13
divide both sides by -4
x = - 13/4
or
x = -3.25