7x-4x=51, 3x=51, x=17
23p-6p=102, 17p=102, p=6
8a+3a=4466, 11a=4466, a=406
25c-5c=6060, 20c=6060, с=303
7x-4x=51, 3x=51, x=17
23p-6p=102, 17p=102, p=6
8a+3a=4466, 11a=4466, a=406
25c-5c=6060, 20c=6060, с=303