SOLUTION: 5x+4x=7k solve for x

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Question 61177: 5x+4x=7k
solve for x
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
5x+4x=7k [combine like-terms]
9x=7k
9x/9=7k/9
x=7k/9
.
check by plugging in (x-7k/9) back into the original equation.