Question

решить уравнение 14х+7=2(3х-5)-7 , 15х-27=5(х-1), 3х-8=2(1-х), 3(3х+7)=5х+5, 2(5х-10)=8х+5

Answer 1

14×+7=6×-10-7
8×=-24
×=-24/8
×=-3