-b-(b/4+3/8)=1/2+(-3b/8-0,5)

Question

-b-(b/4+3/8)=1/2+(-3b/8-0,5)

Comments

b=-3/7

Answer 1

Умножим всё уравнение на 8

-8b-2b-3=4-3b-4
-10b-3=-3b
-10b+3b=3
-7b=3
b=3:(-7)
b=-3/7