Question

can anyone solve this?
please .
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Answer 1

Answer:

(x/3)-(3x/4)+(4x/5)=7/2

x{(1/3)-(3/4)+(4/5)}=7/2

x{20 -45+48}/60=7/2

x(68-45)/60=7/2

x(23/60)=7/2

x=(7×60)/(2×23)

=210/23