Answer:
A=-2
Explanation:
1: Distrivute
-2a = 10 - 3(2a+6)
-2 = 1-6a - 18
2: Subtract
-2a = 10 - 6a -18
-2= -8 - 6a
3: Rearrange
-2a=-8 - 6a
-2a=-6a - 8
4: Add
-2a + 6a = 6a - 8 + 6a
5: Simplify
remember to combine like terms
4a = -8
6: Divide
4a/4 = -8/4
7: simplify
a= -2