3/4(0,5x+2/3)= 3x+2 1/4
3/8x+1/2=3x+2 1/4 3x-3/8x=1/2-2 1/4 2 5/8x=2/4-9/4 21/8x=-7/4 x=-7/4*8/21 x=-2/3