how do you solve 1/x=1/t + 1/r ??

and -4<2 (x-3)< 8

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- April 2nd 2006, 10:23 AMdyr[SOLVED] algebra
how do you solve 1/x=1/t + 1/r ??

and -4<2 (x-3)< 8 - April 2nd 2006, 11:42 AMearbothQuote:

Originally Posted by**dyr**

to 1.: You need a common denominator (which is here r*t):

to 2.: Split the inequalities into two single inequalities:

Greetings

EB