Question

срочно
$5x - 5 - 4x - 3 = 2$
$7x - 9 - 2(4 + 2x) = 12$
$6x = 28 - x i7(x - 2) = 10x - 2$
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Answer 1

Пошаговое объяснение:

$5x - 5 - 4x - 3 = 2 \\ x - 8 = 2 \\ x = 10$

$7x - 9 - 2(4 + 2x) = 12 \\ 7x - 9 - 8 - 4x = 12 \\ 3x = 12 + 17 \\ 3x = 29 \\ x = \frac{29}{3} = 9 \times \frac{2}{3}$

$6x = 28 - x \\ 7x = 28 \\ x = 3$

$7(x - 2) = 10x - 2 \\ 7x - 14 = 10x - 2 \\ - 3x = 12 \\ x = - 4$