zhantonov2013

21.05.2021 14:04 •  Математика

Решите как в 6 ) 1)3(5х-2)-4(3х-5)=7х-2 2) 6(х+2)-0.7=3(2х+4)+1.3 3)15х-4=10х+11 4)5(6х-1)=2х+23 5)5(2х-3)-3х=4х-9 6)4(5х+3)-6(4х-7)=36 7)4-7(3х-4)-4(2х+5)=3х 8)3.2х+0.3(7-х)=2.1+1.1х 9)7х+11=5х+3 10)4х=6+2(4х-1) 11)4х-7=7(3х+2)+13