Answer:
1st one twelve times the sum of a number plus twenty four
Step-by-step explanation:
12f=12xf(whatever number it is)
+
24 ^
twelve l
times
the sum of a number + 24
Answer:
i think its c
Step-by-step explanation:
so sorry if its wrong
Answer:
x = 4
Step-by-step explanation:
steps are in the pic above.
4b+21=-3b+21+7b
4b+21=4b+21
it means that the expression shows an identity