初中数学题在线解答2(x-2)-3(4x-1)=9(1-x)2.11x+64-2x=100-9x3.15-(8-5x)=7x+(4-3x)4.3(x-7)-2[9-4(2-x)]=225.3/2[2/3(1/4x-1)-2]-x=26.2(x-2)+2=x+17.0.4(x-0.2)+1.5=0.7x-0.388.30x-10(10-x)=1009.4(x+2)=5(x-2)

初中数学题在线解答

2(x-2)-3(4x-1)=9(1-x) 2. 11x+64-2x=100-9x 3.15-(8-5x)=7x+(4-3x) 4. 3(x-7)-2[9-4(2-x)]=22 5.3/2[2/3(1/4x-1)-2]-x=2 6.2(x-2)+2=x+1 7. 0.4(x-0.2)+1.5=0.7x-0.38 8.30x-10(10-x)=100 9.4(x+2)=5(x-2) 10. 120-4(x+5)=25 11.15x+863-65x=54 12.12.3(x-2)+1=x-(2x-1) 13. 11x+64-2x=100-9x 14.14.59+x-25.31=0 15. x-48.32+78.51=80 16. 820-16x=45.5×8 17.(x-6)×7=2x 18.3x+x=18 19. 0.8+3.2=7.2 20.12.5-3x=6.5 21.1.2(x-0.64)=0.54 22. x+12.5=3.5x 23. 8x-22.8=1.2 24. 50x+10=60 25. 60x-30=20 26. 20x+50=110 27. 2x=5x-3 28. 90=10+x 29.90+20x=30 30. 691+3x=700 31 2x-10.3x=15 32 0.52x-(1-0.52)x=80 33 x/2+3x/2=734 3x+7=32-2x 35 3x+5(138-x)=540 36 3x-7(x-1)=3-2(x+3)37 18x+3x-3=18-2(2x-1) 38 3(20-y)=6y-4(y-11) 39 -(x/4-1)=540 3[4(5y-1)-8]=6

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