3,3а+(а-4)= 3.3a+a-4 = 4.3a-4
5a-(0.7a+8) = 5a-0.7a-8 = 4.3a-8
Therefore, the expression in total is:
4.3a-4 = 4.3a-8
3,3а+(а-4)= 3.3a+a-4 = 4.3a-4
5a-(0.7a+8) = 5a-0.7a-8 = 4.3a-8
Therefore, the expression in total is:
4.3a-4 = 4.3a-8