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OpenStudy (anonymous):
9(x/3+x/9=1)
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OpenStudy (jamesj):
This doesn't make sense. Can you type it again?
OpenStudy (anonymous):
sure
OpenStudy (anonymous):
9x/3+x/9=1
OpenStudy (jamesj):
So first, what is 9x/3 in simple terms?
OpenStudy (jamesj):
So ... 9x/3 = 3x, yes? So 9x/3 + x/9 = 3x + x/9 = 1 Now let's get rid of the fraction. Multiply both sides by 9 ... 9.(3x) + 9.(x/9) = 9 I.e., 27x + x = 9 I.e., 28x = 9 Hence ....
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