Respuesta :

it is 23a+72
see
6(-3a+12)+8a-13a
-18a+72+8a-13a
23a+72
do you understand
6(-3a + 12) + 8a - 13a


-18a + 72 + 8a - 13a

-23a + 72


Your answer is -23a + 72


Hope I helped!

Let me know if you need anything else!

~ Zoe
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