Решить уравнения -4(7-х)+3(-4-7х) 9(3-5х)-8(5-3х) 6(5х-4)-8(5-3х) -8(-3-6)-2(-8-7х)

-28+4х -12-21х =- 40-17х
27-45х -40+24х = -13-21х

= - 28 +х -12 - 21х = - 40 - 20х
= 27 - 45х - 40 + 24х = - 13 - 21х
= 30х - 24 - 40 + 24х = 6х - 64
= 24 + 48 + 16+14х = 88 + 14х