Question

решите уравнение: (2х + 1) + (3х + 2) + (4х + 3) = 5х + 10

Answer 1

(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

Answer 2

2x +3x +4x -5x=-6
4x =-6
x=-1,5