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OnlineSchool01
@OnlineSchool01
June 2023
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Математика 6 класс
Тема: Решение уравнений
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ksurrz
a.100(x-1)=100
100x-100=100
100x=100+100
100x=200
x=200/100
x=2
Ответ:2
b.0,3(8-4x)=0,5(9-2,5x)-1,8
2,4-1,2x=4,5-1,25x-1,8
-1,2x+1,25x=4,5-1,8-2,4
0,05x=0,3
x=0,3/0,05
x=6
Ответ:6
в.-2(4,1y-3)-3,5+2,8=1,8(0,5-5y)
-8,2y+9y=0,9-6+3,5-2,8
0,8y=-4,4
y=-4,4/0,8
y=-5,5
Ответ:-5,5
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Answers & Comments
100x-100=100
100x=100+100
100x=200
x=200/100
x=2
Ответ:2
b.0,3(8-4x)=0,5(9-2,5x)-1,8
2,4-1,2x=4,5-1,25x-1,8
-1,2x+1,25x=4,5-1,8-2,4
0,05x=0,3
x=0,3/0,05
x=6
Ответ:6
в.-2(4,1y-3)-3,5+2,8=1,8(0,5-5y)
-8,2y+9y=0,9-6+3,5-2,8
0,8y=-4,4
y=-4,4/0,8
y=-5,5
Ответ:-5,5