Решите уравнение: (2х + 1) + (3х + 2) + (4х + 3) = 5х + 10
(2х+1)+(3х+2)+(4х+3)=5х+10 2х+1+3х+2+4х+3=5х+10 9х+6=5х+10 9х-5х=10-6 4х=4 х=1
2x +3x +4x -5x=-6 4x =-6 x=-1,5