Question

Решите уравнение 144/(х+5)=9

Answer 1

144: (х+5)=9
9*(х+5)=144
9х+45=144
144-45=9х
99=9х
х=99/9
х=11

Answer 2

144/(х+5)=9
144=9(х+5)
144=9х+45
9х=144-45
9х=99
х=11