17х - 34 = -170 7х+5=9х -11 5 (х-6) =15 (х-8)5/6у - вопрос №1734170759115615856123161313044 от djein2007 15.03.2020 03:20

Question

Математика: 17х - 34 = -170 7х+5=9х -11 5 (х-6) =15 (х-8)5/6у -1 =2/3у -1/6​

djein2007 · Answer

1)17x=-170+34 17X=-136 X=-8 2)7x-9x=-11-5 -2X=-16 X=83)5x-30=15x-1205x-15x=-120+30-10x=-90X=94)5/6y-2/3y=-1/6+1 1/6y=5/6 y=5...

17х - 34 = -170 7х+5=9х -11 5 (х-6) =15 (х-8)5/6у -1 =2/3у -1/6​