72:а+76=100. 835—(а+327) =218

Question

72:а+76=100. 835—(а+327) =218

Answer 1

А) 72/a=100-76
72/a=24
a=72/24
a=3
б) 835-a-327=218
-a=218-835+327
-a=-290
a=290