Answer:

Step-by-step explanation:
To find: 
Solution:
Like terms refer to terms with same variables and same powers.
Two like terms can be added or subtracted.
Consider the following expression:

(Here, like terms are added or subtracted)
Answer:
q = 9
Step-by-step explanation:
the key thing to understand in this problem is the distributive property. which basically means we can muliply what's on the interior of the parenthestes ( in this case q-5) by what's on the outside (4).
so 4 will <em>distrubute</em> to both the q and the -5
4q - 20 = 16
add 20 to both sides
4q = 36
divide both sides by 4
q = 9

where d is the common difference
Given that,
d = -13

Answer:
$85
Step-by-step explanation:
50+48+45=143
143-58= 85