Question

СКОРЕЕ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

$5x-2y=c; ; ,; ; (2;4)\\x=2; ,; y=4; ; to ; ; ; 5x-2y=5cdot 2-2cdot 4=10-8=2; ; ,; ; c=2\\5x-2y=2; ; to ; ; 2y=5x-2; ; ,; ; underline {y=2,5x-1}$

Answer 2

СПС! ;)

Answer 3

ПЖЛ

Answer 4

^_^

Answer 5

^_~