Thread: [SOLVED] algebra

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


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

Originally Posted by dyr

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


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

Hello,

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


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




Greetings

EB