1) 7(0,5+1)+1,5a-9
3,5a+7+1,5a-9
5a-2
5*(-0,8)-2=-6
2) 3,5(3-4b)-5,7+8b
10,5-14b-5,7+8b
4,8-6b
4,8-6*1,3=-3
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1) 7(0,5+1)+1,5a-9
3,5a+7+1,5a-9
5a-2
5*(-0,8)-2=-6
2) 3,5(3-4b)-5,7+8b
10,5-14b-5,7+8b
4,8-6b
4,8-6*1,3=-3