Решите уравнение: 3-(2х+1)-2 (х+13)=7х-4(1-х)
3 - 2Х - 1 - 2Х - 26 = 7Х - 4 + 4Х - 24 - 4Х = 11Х - 4 15Х = - 20 Х = ( - 20/15) = ( - 4/3 ) = ( - 1 1/3 )