Respuesta :

chudung1976
Problem 1
+ Equation: 1b, 1c, 2b, 3b and 4a

Problem 2: 
5a: 6g has coefficient 6 and variable g
9a: 20s has coefficient 20 and variable s

Problem 3
10, the sum  of 3 and b is 3+b

You can do it
Have a good day