. Найдите корень уравнения:
1). – 5 х = 25; 2). 9х – 14 = 6х + 7; 3). 2х – 4 = - 3(4 – 2х) – 6.
1). – 5 х = 25; 2). 9х – 14 = 6х + 7; 3). 2х – 4 = - 3(4 – 2х) – 6.
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Answers & Comments
Пошаговое объяснение:
1)x=-5
2)3x=21
x=7
3)2x-4=-12+6x-6
-4+12+6=6x-2x
14=4x
x=3.5