What is x/2 - x/6 = 4?

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Hi, I'm in year 9 and I really don't know where to start with this algebra question! Please send help!

#x/2−x/6=4#

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Answer 1 · 2018-04-30T03:18:37

#x=12#

Because the denominators need to be the same number, so you multiply #x/2# by #3/3# and so it will equal

#(3x)/6-x/6=4#

Then, you subtract and it will equal

#(2x)/6=4#

Then, you follow PEMDAS and multiply #6# on both sides to eliminate the divide by 6, so it would equal

#2x=24#

You divide by #2# on both sides and #x# will equal #12#.