Question

关于一元一次方程去分母去括号的计算题

Answer 1

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. 1\ 50x+10=60 25. 2\ 60x-30=20 26. 3\ 3^20x+50=110 27. 4\ 2x=5x-3 28. 5\ 90=10+x 29. 6\ 90+20x=30 30. 7\ 691+3x=700 31, 2x-10.3x=15 32 0.52x-(1-0.52)x=80 33,x/2+3x/2=7 34, 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) 39,9 -(x/4-1)=5 40 3[4(5y-1)-8]=6 41,7(2x-1)-3(4x-1)=4(3x+2)-1; 42,(5y+1)+ (1-y)= (9y+1)+ (1-3y); 43,20%+(1-20%)(320-x)=320×40% 44,2(x-2)+2=x+1 45,2(x-2)-3(4x-1)=9(1-x) 46,11x+64-2x=100-9x 47,15-(8-5x)=7x+(4-3x) 48,3(x-7)-2[9-4(2-x)]=22 49,3/2[2/3(1/4x-1)-2]-x=2 50, 2x-10.3x=15 51,3[4(5y-1)-8]=6 52 0.52x-(1-0.52)x=80 53 x/2+3x/2=7