The possible answers are 15,5 and 10,10
Answer:
3643
Step-by-step explanation:
+3 to both sides and you get s = -7
Answer:

Step-by-step explanation:
To simplify polynomials, find the like terms which look and sound the same then combine the coefficients of each to simplify.

Answer:
8
Step-by-step explanation:
Like term is having the same variables and powers
each bolded below has the variable z other than 8 (second one)
8z, 8, 4z, -8z