Решите уравнение 8*(15-b)=64

Question

Решите уравнение 8*(15-b)=64

Answer 1

8*(15-b)=64
120-8b=64
-8b=64-120
-8b=-56
b=7

Answer 2

8×(15-b)=64
15-b=64÷8
15-b=8
b=15-8
b=7