Answer:
a = -1
Step-by-step explanation:
-6(3a+4) = 3a-3
-18a-24 = 3a-3
-24+3 = 3a+18a
21a = -21
a = -21 ÷ 21
a = -1
The sum of
7.8 and 7.02 would be
14.82
because
7.8
+7.02
------------
14.82
hope this helps :)
First - 8
second - 4
third - 12
fourth - 9