B-(a-38),якщо b=58,a =49

Question

B-(a-38),якщо b=58,a =49

Answer 1

B - ( a - 38 ) = b - a + 38
b = 58 ; a = 49
58 - 49 + 38 = 96 - 49 = 47

Answer 2

58-(49-38)=49-38=11. 58-11=47