1) 2(x+7)+4х;                                                    5) 18(5+х)+12х;          9)  46(х-3)+14х
2) 9(3-у)+15                                                      6) 22(у+4)-19у;
3) 11(х+6)+34;                                                  7) 32(х+8)-91
4) 15(у+9)-7у;                                                   8) 25(4-у)-76;