Х*32-123=3013 с*210-900=12750 4860-h*62=2442 91 260-320*b=74620

Х×32=3013+123=3136
х=3136÷32=98

с×210=12750+900=13650
с=13650÷210
с=65

-h×62=2442-4860=-2418
-h= -2418÷62=-39
h=39

-320×b=74620-91260=-16640
b=16640÷320=52
b=52

х*32-123=3013, 32х=3013+123, 32х=3136, х=3136:32, х=98

с*210-900=12750, 210с=12750+900, 210с=13650, с=13650:210, с=65

4860-h*62=2442, 62h=4860-2442, 62h=2418, h=2418:62, h=39

91260-320*b= 74620, 320b=91260-74620, 320b=16640, b=16640: 320, b=52