Question

помогите:
300:х=10*5
х=
(91-х)-48=35
х=
137-(65-с)=47
с=

Answer 1

300:х=10*5
х=300:50=6

(91-х)-48=35
43-х=35
х=8

137-(65-с)=47
137-65-с=47
с=25

Answer 2

300:х=50
х=300:50
х=6
(91-х)--48=35
91-х=35+48
91-х=83
х=91-83
х=8