Rozwiąż równanie = 17y+28=19y+27.... Question from @bartusek97

August 2018 2 15 Report

Rozwiąż równanie =
17y+28=19y+27

czarna19 17y+28=19y+27
17y-19y=27-28
-2y=-1/(-2)
y=0,5

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paxivr 17y - 19y = -28 + 27
(-2y) = (-1)
(-y) = (-½)
y = ½

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