решите четыре примера:
1)-8+7(-х-2)=6
2)2- 2 (3х-4)= -2
3) 10 (х-9)=7
4) 9 (х-5)= -х
1)-8+7(-х-2)=6
2)2- 2 (3х-4)= -2
3) 10 (х-9)=7
4) 9 (х-5)= -х
More Questions From This User See All
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
1)- 8 - 7x - 14 = 6
- 7x - 22 = 6
- 7x = 28
7x = - 28
x = - 4
2)
2 - 2(3x - 4) = - 2
2 - 6x + 8 = - 2
- 6x + 10 = - 2
- 6x = - 12
6x = 12
x = 2
3) 10(x - 9) = 7
x - 9 = 7/10
x = 9 + 7/10
x = 9,7
4) 9 (x - 5) = - x
9x - 45 = - x
10x = 45
x = 4,5