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СаняАд
@СаняАд
July 2022
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Помогите пожалуйста решить уравнение.
1) -2*(1/4+x)-6*(1/16-2x)=3x
2) 1/3x+7/18-1 (целая)5/24-2 (целых)1/18+3/12x
3) 15/22-(4-1(целая)5/6):x=1(целая)5/33
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Answers & Comments
Igornatev
1) -2*(1/4+x)-6*(1/16-2x)=3x
-1/2-2x-3/8+12x=3x
10x-3x=3/8+4/8
7x=7/8
x=7/8×1/7=1/8
2) 1/3x+7/18-1 5/24-2 1/18+3/12x
1/3x+3/12x=4/12x+3/12x=7/12x
7/18-2 1/18=7/18-37/18= -30/18= -5/3
-5/3-29/24=-40/24-29/24= -69/24= -23/8
7/12x= -23/8
x= -23/8×12/7=69/14= -4 13/14
3) 15/22-(4-1 5/6):x=1 5/33
4-1 5/6=24/6-11/6=13/6
1 5/33-15/22=38/33-15/22=76/66-45/66=31/66
13/6:x=31/66
31/66x=13/6
x=13/6×66/31
x=143/31=4 19/31
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Answers & Comments
-1/2-2x-3/8+12x=3x
10x-3x=3/8+4/8
7x=7/8
x=7/8×1/7=1/8
2) 1/3x+7/18-1 5/24-2 1/18+3/12x
1/3x+3/12x=4/12x+3/12x=7/12x
7/18-2 1/18=7/18-37/18= -30/18= -5/3
-5/3-29/24=-40/24-29/24= -69/24= -23/8
7/12x= -23/8
x= -23/8×12/7=69/14= -4 13/14
3) 15/22-(4-1 5/6):x=1 5/33
4-1 5/6=24/6-11/6=13/6
1 5/33-15/22=38/33-15/22=76/66-45/66=31/66
13/6:x=31/66
31/66x=13/6
x=13/6×66/31
x=143/31=4 19/31