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CrystalMaidennn
@CrystalMaidennn
July 2022
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→ Решите уравнения ←
1)0,4(6-4y)=0,5(7-3y)-1,9
2)3\4(1\6x-1\3)=2x-11 1\2
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Answers & Comments
Глокси
2.4-1.6y=3.5-1.5y-1.9
-1.6y+1.5y=-1.9+3.5-2.4
-0.1y=-0.8
y=8
3.4X1/6x-3/4X1/3=2x-11 1/2
1/8x-1/4=2x-11 1/2
1/8x-2x=-11 1/2+1/4
-1 7/8=-11 3/4
x=47/4X8/15
x=94/15=6 4/15
0 votes
Thanks 1
инсекторат
У второго не могу понять условие. Что идет после знака равно перед 1\2?
1 votes
Thanks 0
CrystalMaidennn
там одиннадцать целых одна вторая
инсекторат
3\4(1\6x - 1/3)=2x - 11 1/2
инсекторат
1/8x - 1/4=2x 23/2
инсекторат
0.125x - 2x=-11.5+0.25
инсекторат
-1.875x=-11.25
инсекторат
x=6
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Answers & Comments
-1.6y+1.5y=-1.9+3.5-2.4
-0.1y=-0.8
y=8
3.4X1/6x-3/4X1/3=2x-11 1/2
1/8x-1/4=2x-11 1/2
1/8x-2x=-11 1/2+1/4
-1 7/8=-11 3/4
x=47/4X8/15
x=94/15=6 4/15