1262. Упростите выражение:
1) 3 (х + 5) + 4x; 3) 9 (х – 7) + 6x;
2) 8 (7+х) – 3x; 4) 5 (х + 8) – 11;
5) 2 (13 + х) — 15;
6) 6 (х + 5) + 2х.
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