Question

решите уравнения (x+15)-8=17

Answer 1

(х+15)-8=17
х+15=17+8
х+15=25
х=25-15
х=10

Answer 2

(24+x)-21=10

Answer 3

24-21-10=х
х = -7

Answer 4

х=10-24+21
х=7