Выполни письменно и решение Раскрытие скобок. Коэффициент. Подобные слагаемые. Приведение подобных слагаемых

3(a - k) – (-2a - 3k) =

(8a – b) + 8(b - a) =

-2(-y + x) – (2y-x) =

0,5(m - 4) - 0,5m =

2(x - a) – 2(-a + x) =

-0,6(х +10у) + 0,6х =

-10a + 5k -15
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