Question

First right answer gets brain

Answer 1

For Question #3, We can use the properites of equality to isolate t

-9 + t = 12
+9 +9

t= 21 , and this is correct because when you plug 21 back into t 12 =12.

For Question #4, We can also use the properties of equality to isolate w

3w=96
/3 /3

w = 32, and when you check it my substituting 32 you get 96=96

Answer 2

3. D-21
4.C-32
Sorry i couldnt see the answers to number 5