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Автор - iluha09

Помогите решить уравнения.
1. 4x=4+2(3x+5)
2. 4(2x-5)-x=3x+8
3. 7(3x-2)-6(4x+7)=18x
4. 2(6x-5)-5(3x+4)=7x-10
5. 9(2x-1)+2=2(8x-3)+2x

Ответ

Автор - irinarasulevna
1. 4x = 4+6x+104x-6x=4+10
-2x=14
x=-7

2. 8x-20-x=3x+8
8x-x-3x=8+20
4x=28
x=7

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