Question

помогите с математикой

Answer 1

1)

64b=32*8

64b=256

b=256/64

b=4

2)

7y=49*4

7y=196

y=196/7

y=28

3)

-b=330-175-380

-b=-225

b=225

4)

m=185-143-32

m=10