Question

Ma aiutati va rog dau coroana

Answer 1

$[(5 * a + 19) * 7 - 2] : 9 = 34$
$[(5 * a + 19) * 7] - 2 = 34 * 9 | = 306$
$[(5 * a + 19)] * 7 = 306 + 2 |=308$
$5 * a + 19 = 308 : 7 | = 44$
$5 * a = 44 - 19 |=25$
$a = 25 : 5$
$a = 5$

$Sper.ca.te-am.ajutat$