1) (3х-18)-(5х+14)=3х-18-5х-14= -2-32= -2(х+16)
2) 3(4-5х)-5(2х-8)=12-15х-(10х-40)=12-15х-10х+40= 52-25х
1) (3х-18)-(5х+14)=3х-18-5х-14= -2-32= -2(х+16)
2) 3(4-5х)-5(2х-8)=12-15х-(10х-40)=12-15х-10х+40= 52-25х