Решите 1)4х=6+2(4х-1) 2)4х-7=7(3х+2)+13 3)17-5(2х+7)=4(5х-3) 4)3х-5(6х-7)=5-6(2х+5) 5)-3(х+12)-2(х-18)=-5х 6)8х+12=5х+3 7)3(2х+1)+7=4 8)6+3(5х-7)=4х+7 9)3(7х-4)-4(6х+5)=х 10)3х-5(2х+3)-6(5х-4)=-28 11)3(х+21)+2(х-4)=5(х+11)