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ElizavetkaLove
@ElizavetkaLove
June 2022
1
4
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1)-2a-8a+4a+1=
2)-(x+3)+(4-2a)=
3)3(5a-4)-10a=
4)2(7a-b)+5(b-4a)=
5)-(9-2x)-2(x+3)=
6)0,4(8x+7)-1,6(2x-3)=
7)-4x-8*(9-2x)=
8)1/5*(15x-10y)-(3x+2y)=
ПОМОГИТЕ РЕШИТЬ , ЗА МИН 15!!!
СРОЧНО!!
БЛАГОДАРЮ ЗАРАНЕЕ
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Magnitogorskru
Verified answer
1)-2a-8a+4a+1=-6а+1
2)-(x+3)+(4-2a)=
-х-3+4-2а=-х-2а+1
3)3(5a-4)-10a=
15а-12-10а=5а-12
4)2(7a-b)+5(b-4a)=
14а-2b+5b-20a=-6a+3b
5)-(9-2x)-2(x+3)=
-9+2x-2x-6=-15
6)0,4(8x+7)-1,6(2x-3)=
3,2x+2,8-3,2x+4,8=7,6
7)-4x-8*(9-2x)=
-4x-72+16x=12x-72
8)1/5*(15x-10y)-(3x+2y)=
3x-2y-3x-2y=-4y
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Answers & Comments
Verified answer
1)-2a-8a+4a+1=-6а+12)-(x+3)+(4-2a)=
-х-3+4-2а=-х-2а+1
3)3(5a-4)-10a=
15а-12-10а=5а-12
4)2(7a-b)+5(b-4a)=
14а-2b+5b-20a=-6a+3b
5)-(9-2x)-2(x+3)=
-9+2x-2x-6=-15
6)0,4(8x+7)-1,6(2x-3)=
3,2x+2,8-3,2x+4,8=7,6
7)-4x-8*(9-2x)=
-4x-72+16x=12x-72
8)1/5*(15x-10y)-(3x+2y)=
3x-2y-3x-2y=-4y