Решите уравнения,6 класс..   Плиз,помогите,срочно!

 

1)18+3х=х+14

2)25-4х=12-5х

3)13х+27=16х+4,5

4)21х+45=17+14х

5)13х+70=2х+15

 

 

 

 

 

 

 

 

 

 

 

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