1.

0.2x +5 upon 3.5x-3 = 2/5 .Find x

Answer»

By cross multiplication, we have

5*(0.2x+5)=2*(3.5x-3)

=> X+25= 7x-6

=> x= 7x-6-25

=> x= 7x-31

=> 6X= 31

=> x= 31/6



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