Помогите решить уравнения )))Заранее большое  спасибо)ООЧЧЧЕЕЕНЬЬ СРОЧНО

1)5(4-5х)=2(х-3)+3(3-2х)-4(3х-2)

2)3+х                 2х+7

------------- минус ------------------- =2

    2                      3

3)3-х                              7-2х

----------------- минус    -------------- =4

2                                          3














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