2/3x=5/12 x=5/12÷2/3x=5/12×3/2x=5/85/8÷x=5/32 x=5/8÷5/32x=5/8×32/5x=44/15x=20 x=20÷4/15x=20×15/4x=751/2x+8/9=17/18 1/2x=17/18-8/91/2x=1/18x=1/924-1/7x=3 1/7x=21x=1472/3x-3/4=7/20 2/3x=11/10x=11...