Answer:
30-b
Step-by-step explanation:
Because b were popped it means theres b less balloons than 30 now
Let's remember that the coefficient in an algebraic expression is always the number that multiplies the variable. Now, in this case we have that the third term is -2x, then:
the coefficient of the third term would be -2
1st =62
2nd=59
3rd=59
Are the awnsers