Question

Решите у пример 3x+4y-2x+17+y-12

Answer 1

3х+4у-2х+17+у-12=х+5у+5

Answer 2

ні

Answer 3

3x+4y-2x+17y-12=3x+2x-17y+4y-12=5x-21y+12

Answer 4

да

Answer 5

3х-2х+4у+у=17-12
х+5у=5