Question

как решить уравнение 

Answer 1

15*(x +2)+10*(x +3)+6(x-5)=60
15x+30+10x+30+6x-30=60
31x +30=60
31x=30
x=30/31
x=0,968
15*2,968+10*3.968+6(0,968-5)=60
44,52+39,68+6(-4,032)=60
44,52+39,68-24,192=60
60,008=60