a+(a-10)-(12a-3b)=a+a-10-12a+3b=-10a+3b-10
(6x-8)-5x-(4-9x)=6x-8-5x-4+9x=10x-12
(1-9y)-(22y-4)-5=1-9y-22y+4-5=-31y
5b-(6b+a)-(a-6b)=5b-6b-a-a+6b=-2a+5b
вроде бы так
Ответ:
a+a-10-12a+3b=-10(a+1)+3b
6x-8-5x-4+9x=x-12+4x=5x-12
1-9y-22y+4-5=-31y
5b-6b-a-a+6b=5b-2a
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Answers & Comments
a+(a-10)-(12a-3b)=a+a-10-12a+3b=-10a+3b-10
(6x-8)-5x-(4-9x)=6x-8-5x-4+9x=10x-12
(1-9y)-(22y-4)-5=1-9y-22y+4-5=-31y
5b-(6b+a)-(a-6b)=5b-6b-a-a+6b=-2a+5b
вроде бы так
Ответ:
a+a-10-12a+3b=-10(a+1)+3b
6x-8-5x-4+9x=x-12+4x=5x-12
1-9y-22y+4-5=-31y
5b-6b-a-a+6b=5b-2a