Раскрой скобки и приведите подобные слагаемые.
5(x - 1) + 2(x + 3) - 7x
x - 1 - 2(x + 2) - 1
(2a + 1) ×2 - a +5
5(x - 1) + 2(x + 3) - 7x
x - 1 - 2(x + 2) - 1
(2a + 1) ×2 - a +5
More Questions From This User See All
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
5(x-1) +2(x+3) -7x=5x-5+2x+6-7=7x-6
x-1-2(x+2) -1=x-1-2x-4-1=x-6
(2a+1) ×2-a+5=4a+2-a+5=3a+7