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Автор - ivanovapolina191

срочно пожалуйста помогите решить уравнения

Ответ

Автор - lorik05031979
8х-3=5х+6  
 8х-5х=6+3  
3х=9
х=3
8*3-3=5*3+6
21=21

7(3+к)=33+5к
21+7к=33+5к
7к-5к=33-21
2к=12
к=6
7(3+6)=33+5*6
63=63



Ответ

Автор - Евгения35
8x-3=5x+6
8x-5x=3+6
3x=9
x=3

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