6х-3·(1,5-7х)=19.56x-4,5+21x=19,527x-4,5=19,527x=19,5+4,527x=24x=24:27x=8/9 = 0,8
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
6х-3·(1,5-7х)=19.5
6x-4,5+21x=19,5
27x-4,5=19,5
27x=19,5+4,5
27x=24
x=24:27
x=8/9 = 0,8
Ответ:0,8