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How do you solve #\frac { 8} { 7} - \frac { 13} { 14} = \frac { 1} { x }#?

Answer 1

#{ 8}/ { 7} - \frac { 13} { 14} = \frac { 1} { x }#
#x=14/3#

#\frac { 8} { 7} - \frac { 13} { 14} = \frac { 1} { x }# #(2*8-13)/14=1/x# #(16-13)/14=1/x# #3/14=1/x# #14/3=x/1# #x=14/3#

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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