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162.5%-x=15/160.5+50%x=3x + 30%x = 78x+70%x=34060%x+25=4025%x + 35%x = 62x/3+75%x=1/624-120%x=1835%x - 25%x = 170%X + 20%X = 3.6x 25%x = 60x + 20x = 48X - 15%X = 6860 x + 6025% x = 75x - 20x = 3640%x+21=37x 60%x = 10140x - x = 402x+20%x=3.3x + 20%x = 360x - 75x = 6x + 60x = 48x-40%x=1214%x-9.1=0.740%X+25%X=1302/3x-45%x=2.435%x+x=13.5x+20%x=6x-40%x=3.6x-75%x=0.5x+70%x=3425%x-16=24x-45%x=110x-15%x=10.230%x+90=11775%x-50=22（1-25%）X=45x-20%x=2860%+4x=27.6x+50%x=30