Question

14x+27x=656
81y-38y=645

Answer 1

1) 41x=656
x=16
2) 43y=645
y=15

Answer 2

спасибо большое

Answer 3

1)14x+27x=656
41x=656
x=656/41
x=14
2)81y-38y=645
43y=645
y=645/43
y=15