Answer:
-4
Step-by-step explanation:
If a = -4 then you can eliminate hte -4x and 4x by adding them, you get 0x, so you eliminate the x variable
Answer:
am going to answer but it might be wrong
Step-by-step explanation:
i believe you do 12 Tom 6 * 8 because it's linked times with Tom's height which gives 576
Answer:
-35c+40d
Step-by-step explanation:
distribute -8 through the numbers in the parenthesis by distribute I mean multiply the numbers in the parenthesis by -8
combine the like terms (c)
combine like terms(d)
then you have your answer