Answer:
The answer is 6x + 7
Explanation:
First, you have to get rid of brackets by expanding :
12 + 3(2x-3) + 4
= 12 + 3(2x) + 3(-3) + 4
= 12 + 6x - 9 + 4
Neext, you can to simply :
12 + 6x - 9 + 4
= 6x + 7
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