7(6.5+X)=87.5 (27.5-3.5)÷X=4 2(X+X+0.5)=9.8 X-0.7X=3.6

12X-8X=4.8

91÷X =1.3

3X+9=27

30÷X+25=85

7.5*2X=15 X+8.3=10.7 8(X-2) =270 1.2X=81.6 15X =3 7X+5.3=7.4 6X-12.8×3=0.06 X+5.6=9.4 3X-8=16 3X÷5=4.8 410-3X=170 1.4×8-2X=6 3(X+0.5)=21 0.5X+8=43 6X-3X=18 1.5X+18=3X

5×3-X÷2=8

9X-40=5

X+2X+18=78

4(X-5.6)=1.6

0.273÷X=0.35 X÷5+9=21 (200-X) ÷5=30 7(6.5+X)=87.5 1.8X=0.972 X÷0.756=90 48-27+5X=31 10.5+X+21=56 (X-140)÷70=4 0.1(X+6)=3.3×0.4 (27.5-3.5)÷X=4 X+19.8=25.8 5.6X=33.6 9.8-X=3.8 75.6÷X=12.6 5X+12.5=32.3

5(X+8)=102 X+3X+10=70

3.5-5X=2 0.3×7+4X=12.5

20-9X=1.2×6.25 (X-3) ÷2=7.5

2X-20=4 3X+6=18

3(X+3)=50-X+3 5X+15=60 X÷1.5-1.25=0.75 4X-1.3×6=2.6 6X+12.8=15.8 150×2+3X=690 2(2.8+X) =10.4 13.2X+9X=33.3 3X=X+100 X+4.8=7.2 6X+18=48 3(X+2.1)=10.5

12X-9X=8.7

42X+25X=134

9X+4×2.5=91

5X-45=100

13(X+5)=169 1.5(X+1.6)=3.6 4.2 X+2.5X=134 1.2X-0.5X=6.3 2X-97=34.2 2(X-3)=5.8 10.5X+6.5X=51 23.4=2X=56 3.4X-48=26.8 65X+7=42 89X-43X=9.2 4X-X=48.6