-3x+6y+x-4yХелп.4k-4y+4a+y

Question

-3x+6y+x-4y
Хелп.
4k-4y+4a+y

Answer 1

-3х+6у+х-4у = х-3х+6у-4у = -2х+2у = -2(х-у)
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4k-4y+4a+y = 4k-3y+4a