一元一次方程计算题.docx

1、一元一次方程计算题一元一次方程计算题 一元一次方程计算题7(2x-1)-3(4x-1)=4(3x+2)-1; (5y+1)+ (1-y)= (9y+1)+ (1-3y); 2(x-2)+2=x+1 2(x-2)-3(4x-1)=9(1-x) x/3 -5 = (5-x)/2 2(x+1) /3=5(x+1) /6 -1 (1/5)x +1 =(2x+1)/4 (5-2)/2 - (4+x)/3 =1 x/3 -1 = (1-x)/2 (x-2)/2 - (3x-2)/4 =-1 11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7)-29-4(2-x)=22 3

2、/22/3(1/4x-1)-2-x=2 2(x-2)-3(4x-1)=9(1-x) 11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7)-29-4(2-x)=22 3/22/3(1/4x-1)-2-x=2 2(x-2)+2=x+1 1.7(2x-1)-3(4x-1)=4(3x+2)-12.(5y+1)+ (1-y)= (9y+1)+ (1-3y)3. (- 2)-4 =x+24.20%+(1-20%)(320-x)=32040%5.2(x-2)+2=x+1 6.2(x-2)-3(4x-1)=9(1-x) 7.11x+64-2x=100-9x 8.15-(8-5

3、x)=7x+(4-3x) 9.3(x-7)-29-4(2-x)=22 10.3/22/3(1/4x-1)-2-x=211.5x+1-2x=3x-212.3y-4=2y+113.87X*13=514.7Z/93=41 15.15X+863-65X=54 16.58Y*55=2748917.2（x+2）+4=918.2(x+4)=1019.3(x-5)=1820.4x+8=2(x-1)21.3(x+3)=9+x22.6(x/2+1)=1223.9(x+6)=6324.2+x=2(x-1/2)25.8x+3(1-x)=-226.7+x-2(x-1)=127.x/3 -5 = (5-x)/2 28.2

4、(x+1) /3=5(x+1) /6 -1 29.(1/5)x +1 =(2x+1)/4 30.(5-2)/2 - (4+x)/3 =1 15x-8(5x+1.5)=18*1.25+x 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)-29-4(2-x)=22 5. 3/22/3(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、+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=45.58 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 1 2x-10.3x=152 0.52x-(1-0.52)x=803 x/2+3x/2=74 3x+7=32-2x5

6、 3x+5(138-x)=5406 3x-7(x-1)=3-2(x+3)7 18x+3x-3=18-2(2x-1)8 3(20-y)=6y-4(y-11)9 -(x/4-1)=510 34(5y-1)-8=6 4（x+0.5）=x+7 3-6（x+2/3）=2/32x+1/3 - 5x-1/6 =1 2x/x+3 +1= 7/2x+63X+189=521 4Y+119=22 3X*189=5 8Z/6=458 3X+77=59 4Y-6985=81 87X*13=5 7Z/93=41 15X+863-65X=54 58Y*55=27489 2x+5=1178+2x=100x-1=2+53x-6

7、=126x+3=3311x+1=5(2x+1)11x-12=1192x+x-3x=05x+1=112(x-2)-3(4x-1)=9(1-x) 11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7)-29-4(2-x)=22 3/22/3(1/4x-1)-2-x=2 2(x-2)+2=x+1 0.4(x-0.2)+1.5=0.7x-0.38 30x-10(10-x)=100 4(x+2)=5(x-2) 120-4(x+5)=25 15x+863-65x=54 12.3(x-2)+1=x-(2x-1) 11x+64-2x=100-9x 14.59+x-25.31=0

8、 x-48.32+78.51=80 820-16x=45.58 (x-6)7=2x 3x+x=18 0.8+3.2=7.2 12.5-3x=6.5 1.2(x-0.64)=0.54 x+12.5=3.5x 8x-22.8=1.2 50x+10=6060x-30=202x=5x-390=10+x90+20x=30691+3x=700105=100-x65=21x-4487=100-x2(x-2)-3(4x-1)=9(1-x) 11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7)-29-4(2-x)=22 3/22/3(1/4x-1)-2-x=2 0.52x-(1

9、-0.52)x=80 x/2+3x/2=7 3x+7=32-2x 3x+5(138-x)=540 3x-7(x-1)=3-2(x+3) 18x+3x-3=18-2(2x-1) 3(20-y)=6y-4(y-11) -(x/4-1)=5 34(5y-1)-8=6 2x+1/3-(x-5)=3/2 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=45.58 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 320x+50=110 27. 4 2x=5x-3 28. 5 90=10+x 29. 6 90+20x=30 30. 7 691+3x=700