Answer:
-10 = a
Step-by-step explanation:
17 = a - 3 - За
Combine like terms
17 = -3 -2a
Add 3 to each side
17+3 = -3-2a+3
20 = -2a
Divide by -2
20/-2 = -2a/-2
-10 = a
I don’t know the answer I jus need to answer 2 questions
Answer:
c=2
Step-by-step explanation:
7c=14
c=14/7
c=2
Answer:
L = 18 inches
Step-by-step explanation:
if s is side length
400 = s•s•4
s² = 100
s = 10
so the original flat cardboard square has sides of
L = 10 + 4 + 4
L = 18 inches