1) 4(5х-7)+3х+13 = 20х-28+3х+13 = 23х-15
2) 2(7-9а)-(4-18а) = 14-18а-4+18а = 10
3) 3(2p-7)-2(p-3) = 6р-21-2р+6 = 4р-15
4) -(3м-5)+2(3м-7) = -3м+5+6м-14 = 3м-9
5) 3(8а-4)+6а = 24а-12+6а = 30а-12
6) 7p-2(3p-1) = 7р-6р+2 = р+2
7) 2(3х-8)-5(2х+7) = 6х-16-10х-35 = -4х-51
8) 3(5м-7)-(15м-2) = 15м-21-15м+2 = -19
1) 4(5х-7)+3х+13 = 20х-28+3х+13 = 23х-15
2) 2(7-9а)-(4-18а) = 14-18а-4+18а = 10
3) 3(2p-7)-2(p-3) = 6р-21-2р+6 = 4р-15
4) -(3м-5)+2(3м-7) = -3м+5+6м-14 = 3м-9
5) 3(8а-4)+6а = 24а-12+6а = 30а-12
6) 7p-2(3p-1) = 7р-6р+2 = р+2
7) 2(3х-8)-5(2х+7) = 6х-16-10х-35 = -4х-51
8) 3(5м-7)-(15м-2) = 15м-21-15м+2 = -19