Answer:
-a+6
a=6
12
Step-by-step explanation: these are the possible answers I could come up w. not 100% sure im right
Answer:
-a - 2
Step-by-step explanation:
3[-2a-4] -[5a-10]
open the bracket
we have;
-6a - 12 +5a + 10
rearrange the equation
-6a + 5a -12 + 10
-a - 2