__________________________________________________ X-7.7=2.85 5X-3X=68 4X+10=5 320=45+6X X-0.6X=8 x+8.6=9.4 52－2x＝15 13÷x ＝1.3 X+8.3=19.7 15x ＝30 3x+9＝36 7(x-2)=7 3x+9=12 18(x-2)=27 12x=320+4x __________________________________________________ __________________________________________________ 5.37+x=7.47 15÷3x=5 30÷x=85 1.8+2x=6 420-3x=170 3(x+5)=18 0.5x+9=40 1.5x+6=3x 5×3-x=8 40-8x=5 ÷5=21 48-20+5x=31 200-x÷5=30 __________________________________________________ 6x+3x=36 xx+2x+8=80 本文来源：https://www.wddqw.com/doc/78aadac574c66137ee06eff9aef8941ea66e4b72.html