SOLUTION: Find all the values of x that satisfy the following equations. 4(7x-21)=14(7x-21)

Algebra ->  Exponents -> SOLUTION: Find all the values of x that satisfy the following equations. 4(7x-21)=14(7x-21)       Log On


   

Question 348746: Find all the values of x that satisfy the following equations.
4(7x-21)=14(7x-21)
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
just by looking at it there can only be one value for x and that is 3
so 0=0 if x is any other number - or + there will be a different value on either side of the = sign
7(3)=21
21-21=0
4(0)=0 and 14(0)=0