Question

27+27:3:3-2×b=10+6:3

Answer 1

27+27:3:3-2b=10+2
27+3-2b=12
30-2b=12
18=2b
b=9

Answer 2

27+27:3:3-2xb=10+6:3
27+9:3-2b=10+2
27+3-2b=12
30-2b=12
-2b=12-30
-2b=-18 /(-1)
2b=18
b=18/2
b=9