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rustam4145
@rustam4145
July 2022
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-3(2b-4)+5(3b-8)
16a-(2a+3)+(4a-1)
14b-(10b-(9b-(7-b)
упростить вычислить
-6(0,2x-1,2)-1,2x-3
при x=-1/2
уравнение
1+3(y+2)=2y-12(3-y)
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Answers & Comments
55556669080
-3(2b-4)+5(3b-8)=-6b+12+15b-40=9b-28
16a-(2a+3)+(4a+1)=16a-2a-3+4a+1=18a-2
14b-(10b-(9b-(7-b)=14b-10b-9b-7+b=-4b-7
-6(0,2x-1,2)-1,2x-3=-1,2x+7,2-1,2x-3=-2,4x+4,2
если х=-1/2 ,то -2,4*(-0,5)+4,2=1,2+4,2=5,4
-1,2=-0,5
1+3(у+2)=2у-12(3-у)
1+3у+6=2у-36+12у
3у-2у-12у=-36-6-1
-11у=43
у=43:(-11)
у=-43/11
у=-3 целых 10/11
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rustam4145
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Answers & Comments
16a-(2a+3)+(4a+1)=16a-2a-3+4a+1=18a-2
14b-(10b-(9b-(7-b)=14b-10b-9b-7+b=-4b-7
-6(0,2x-1,2)-1,2x-3=-1,2x+7,2-1,2x-3=-2,4x+4,2
если х=-1/2 ,то -2,4*(-0,5)+4,2=1,2+4,2=5,4
-1,2=-0,5
1+3(у+2)=2у-12(3-у)
1+3у+6=2у-36+12у
3у-2у-12у=-36-6-1
-11у=43
у=43:(-11)
у=-43/11
у=-3 целых 10/11