Помогите решить уравнение 5х+(3х-3)=6х+11 (Х-7)-(2х+9)= -13
1) 5x + (3x - 3) = 6x + 11 5x + 3x - 3 = 6x + 11 8x - 6x = 11 + 3 2x = 14 x = 7 2) (x - 7) - (2x + 9) = - 13 x - 7 - 2x - 9 = - 13 - x = 7 + 9 - 13 -x = 3 x = - 3
5х+(3х-3)=6х+11 5х+3х-3=6х+11 5х+3х-6х=3+11 2х=14 х=14:2 х=7