50 баллов математика уравнение- 1. 7x-8x 2. 15a-a 3. -7x+8x 4. -15+a+6 5. -5x+6x-x 6. -13a-8a+a 7. y-5y+6 8. 3x-5x+7x 9.-a+2a-8a+2 10. 12-3n+5n 11. 6x-12-7x 12. -6a-12a-7 13. 9d-3d-20 14. -8a+6a-5a 15. x-6-3x+9 16. 6y-17y+12y 17. -6y+17y+12 18. -5k-k+15k 19. -8x+x+3x 20. -9m-m+1
More Questions From This User See All
Answers & Comments
1. 7x-8x =-х
2. 15a-a =14а
3. -7x+8x=х
4. -15+a+6=а-9
5. -5x+6x-x =0
6. -13a-8a+a =-29а
7. y-5y+6 =4у+6
8. 3x-5x+7x =9х
9.-a+2a-8a+2 =2-7а
10. 12-3n+5n =12+2n
11. 6x-12-7x =-12-х
12. -6a-12a-7 =-18а-7
13. 9d-3d-20 =6d-20
14. -8a+6a-5a =-7a
15. x-6-3x+9 =3-2x
16. 6y-17y+12y =y
17. -6y+17y+12 =11y+12
18. -5k-k+15k =9k
19. -8x+x+3x=-4x
20. -9m-m+1=1-10m