14х+27х=656
41х=656
х=656:41
х=16
43у= 645
у = 645:43
у=15
14x+27x=656
41x=656
x=656:41
x=16
2)81y-38y=645
43y=645
y=645:43
y=15
14х+27х=656
41х=656
х=656:41
х=16
43у= 645
у = 645:43
у=15
14x+27x=656
41x=656
x=656:41
x=16
2)81y-38y=645
43y=645
y=645:43
y=15