Question

daca 5=*a=75 si b=9:3-5 atunci a+b*5=?

Answer 1

$5a = 75 = > a = 15 \\ b = 9 \div 3 - 5 = 3 - 5 = - 2 \\ a + ( - 2) \times 5 = 15 - 10 = 5$