How do you solve #7/12x=3/14#?

1 Answer
Shell
Sep 20, 2016

#x=18/49#

Explanation:

#(7x)/12=3/14#

There are two methods:

Method One: Cross Multiply
Multiply the numerator of the left side by the denominator of the right side. And, multiply the denominator of the left side by the numerator of the right side.

#7x*14=12*3#

#98x=36#

Divide both sides by 98.

#(98x)/98=36/98#

#x=18/49#

Method two: Multiply each side by the denominators

#(7x)/12=3/14#

#12*(7x)/12=3/14*12#

#7x=36/14#

#14*7x=36/14*14#

#98x=36#

#(98x)/98=36/98#

#x=18/49#

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