Question

9a = - 12 + 4a
please help me out with this problem..​

Answer 1

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$9a = - 12 + 4a \\ 9a - 4a = - 12 \\ 5a = - 12 \\ a = \frac{ - 12}{5}$

Answer 2

Answer:

9a=-12+4a

9a-4a =-12

5a =-12

a=-12/5