Помогите пожалуйста 6 класс

Откройте скобки и приведите подобные слагаемые:

a) 3 ∙ (5a + 4) – 11a;
в) 3a ∙ (7 – b) – (b – 3a);
д) (3x – 11) ∙ 0,2 – 5 ∙ (4 – 3x);
ж) –35 ∙ (3a – 2b) + 2 ∙ (13a – b);
б) –2∙(4b – 7) + 14b;
г) –4∙(2k – 9) – 3 ∙ (6k + 1);
e)1/6 ∙(18m – 24n) – (5m + 2n);
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