Answer:
Step-by-step explanation:
Answer:
i think its the last one
Step-by-step explanation:
as 15 - 3 is 12 and then the 7
hope this helps
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Answer: 4 minus 12 x
Step-by-step explanation:

4 - 12x
It would be still be X. Any number times 1 is that number. For example 3x1=3 and 325x1=325 :)
Answer:
3x + 1 = 2x - 4. x = -5
Step-by-step explanation: