Answer :


(1/2)x+3/4=1<=> (1/2)x = 4/4 - 3/4 <=> (1/2)x = 1/4<=> x = ( 1 / 4 ) : ( 1 / 2) <=> x = ( 1 / 4 ) * ( 2 / 1)<=> x = 2 / 4 <=> x = 1 /  2.
*Because of BODMAS, 1/2x=x/2.

1/2x+3/4=1

1/2x+3/4=4/4

1/2x=4/4-3/4

1/2x=1/4

x/2=1/4

x=2/4

x=1/2