Решите уравнение (4x-3)/2 - (5x-3)/6=2(1/2)

Question

Решите уравнение   (4x-3)/2 - (5x-3)/6=2(1/2)

Accepted Answer

Найдем решение уравнения:

(4x - 3)/2 - (5x - 3)/6 = 2 1/2.

(4x - 3)/2 - (5x - 3)/6 = 5/2 | * 6;

3 * (4x - 3) - (5x - 3) = 3 * 5;

12x - 9 - 5x + 3 = 15;

12x - 5x = 15 + 9 - 3;

x(12 - 5) = 21;

7x = 21;

x = 3.

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