Question

Решение по математике помогите !

Answer 1

$frac{5x - 6}{3}$ - $frac{5x + 6}{12}$ = 1;
$frac{4(5x - 6)}{12} - frac{5x + 6}{12}$ = 1;
$frac{20x - 24 - 5x - 6}{12}$ = 1;
$frac{15x - 30}{12}$ = 1; 
15x - 30 = 1 * 12;
15x - 30 = 12;
15х = 12 + 30;
15х = 42;
х = 42 : 15;
х = 2,8