SOLUTION: this was on my test, I need to correct it but can't figure it out. Add and simplify. -1 4 --- + ---- x+4 7x-1

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Question 74458: this was on my test, I need to correct it but can't figure it out.
Add and simplify.
-1 4
--- + ----
x+4 7x-1
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
-1/(X+4)+4/(7X-1) NEED TO FIND A COMMON DENOMINATOR TO ADD THESE 2 FRACTIONS
[-1(7X-1)+4(X+4)]/(X+4)(7X-1)
(-7X+1+4X+16)/(X+4)(7X-1)
(-3X+17)/(X+4)(7X-1)