SOLUTION: Solve the following equation for x. (1/4) + (1/5) = (1/x)

Question 67510: Solve the following equation for x.
(1/4) + (1/5) = (1/x)

Found 2 solutions by bam878s, stanbon:
Answer by bam878s(77) (Show Source): You can put this solution on YOUR website!
We have + =
First, let's find the common denominator of and and add them.
We know both 4 and 5 will multiply into 20, so let's 20 as our common denominator.
+ = + =
So now we have,
= First let's multiply both sides by x
x = *x
x = 1 (Now divide both sides by )
x =
x = =
Hope this helps you!!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve the following equation for x.
(1/4) + (1/5) = (1/x)
(9/20)=1/x
x=20/9
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Cheers,
Stan H.
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