Question

решите уравнение.х+ 5=12 ,х+5= 12,12 -х= 5,13 -х= 5, х- 5= 7, х-5 =8

Answer 1

х+5=12
х=12-5
х=7
$$$$$$$
12-х=5
12-5=х
х=7
$$$$$$$$$
13-х=5
13-5=х
х=8
$$$$$$$$$
х-5=7
х=7+5
х=12
$$$$$$$$$$
х-5=8
х=8+5
х=13
$$$$$$$$$$