6.7x+5x=9.36 12x-120=720 X-0.7x=0.51 3(x-2)+48÷2=96 x-0.8x-6=16 2X+18=28 6X-24=120 72 2.4×(2.5+X)=24 3x-8=x 6 6x+8.3=11 (x-9)×12=63.6 3x+5x=120 3x-1.5x=30 3x-24+5x=48 0.19X 52-X =15 3X -5X=57 16.5 7x-7=6x+4 3x+7=4x-2 (2x+x)=36 4x÷8=12.5 8x=0.019 -6=54 +4X=24.5 (x+4.8)÷6=3 -4.2-5.8=14 8÷X=0.4 =19 7X+1.5 5X+4=32 X÷3.2=18.2 4X+1.2×5=24.4 3+8X—5X=27 4x-30=0 8.3x-2x=63 x÷10 = 5.2 3x+ 7x +10 = 90 3 7x-8=2x+27 5x-18 =3 2(X+X+0.5)=9.8 25000+x=6x 3200=450+5X+X X-0.8X=6 12x-8x=4.8 x+5.6=9.4 52-x=15 91 15x=3 3x 12x=300-4x 7x+5.3=7.4 3x –2x ÷x =1.3 X+8.3=10.7 -8=16 7(x-2)=2x+3 (x-12+23 = 35 7x- 4)+3(x-2)=2x +6 ÷5=4.8 ( 30÷x+25=85 1.4×8-2x=6 3(x+0.5)=21 6x-12.8×3=0.06 410-3x=170 0.5x+8=43 6x-3x=18 1.5x+18=3x 5 0.273÷x=0.35 1.8x=0.972 x x÷0.756=90 9x-40=5 48-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x) (x-140)÷70=4 0.1(x+6)=3.3 7(6.5+x)=87.5 (27.5-3.5) 75.6÷x=12.6 5x+12.5=32.3 ×0.44 (x-5.6)=1.6 ÷x=4 x+19.8=25.8 ×3-x÷2=8 ÷5+9=21 ÷5=30 本文来源:https://www.wddqw.com/doc/f7fcebd2b8d528ea81c758f5f61fb7360a4c2b5c.html