F+13/4=4 solve for f
2 answers:
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You can multiply each fraction on both top and bottom so that they have 24 as the denominator. The equation becomes 
subtract 16/24 to both sides and you get
now subtract 20/24 from both sides and
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multiply 24 on both sides
-26=21m
and divide by 21 on both sides
m=-26/21 or -1.24
subtract 16/24 to both sides and you get
now subtract 20/24 from both sides and
multiply 24 on both sides
-26=21m
and divide by 21 on both sides
m=-26/21 or -1.24