SOLUTION: I can't figure out how to do this problem. How do I show my work on this equation: 40/a - 4 = 0 I know the answer is 10, it's obvious, but I dont know how to get that answer. Ple

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I can't figure out how to do this problem. How do I show my work on this equation: 40/a - 4 = 0 I know the answer is 10, it's obvious, but I dont know how to get that answer. Ple      Log On


   

Question 153407This question is from textbook Algebra I
: I can't figure out how to do this problem. How do I show my work on this equation:
40/a - 4 = 0
I know the answer is 10, it's obvious, but I dont know how to get that answer. Please help me! This question is from textbook Algebra I

Found 2 solutions by Earlsdon, stanbon:
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Your answer is correct! Here's how you would get it:
%2840%2Fa%29-4+=+0 First, add 4 to both sides.
40%2Fa+=+4 Next, multiply both sides by a.
40+=+4a Finally, divide both sides by 4.
40%2F4+=+a so...
a+=+10

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(40/a) - 4 = 0
(40/a) = 4
Multiply both sides by a to get:
40 = 4a
a = 10
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Cheers,
Stan H.