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
-a - 2
Explanation:
3[-2a-4] -[5a-10]
open the bracket
we have;
-6a - 12 +5a + 10
rearrange the equation
-6a + 5a -12 + 10
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