Question

решите уравнение 4(x+6)=x+9

Answer 1

4х+24=х+9
24-9=х-4х
15=-3х
х=-5

Answer 2

4(х+6)=х+9
4х+24=х+9
4х-х=9-24
3х=-15
х=-15:3
х=-5
Ответ:-5