5y+15=4y+20, 25-12m=45-8m, 14=2y-2, 11-6z=2-7z,10n-9=11m+12,-7x-40=3x,12m+9=11m+7 - вопрос №267591951542025124581422116271091112740312 от Kozlovanika71 25.01.2021 20:09

Question

Математика: 5y+15=4y+20, 25-12m=45-8m, 14=2y-2, 11-6z=2-7z,10n-9=11m+12,-7x-40=3x,12m+9=11m+7

Kozlovanika71 · Answer

5y+15=4y+20у=525-12m=45-8m-4m=20m=-514=2y-22у=12у=611-6z=2-7zz=-910n-9=11n+12n=3-7x-40=3x-10х=40х=-412m+9=11m+7m=-2...