3y (y is the unknown number but it represents one number only... and also 3y represents 3 multiply by y)
Answer: 12r + 3
Step-by-step explanation:
6r+3(2r+1)
Apply BODMAS, do bracket first
6r + (6r + 3)
Do addition next
= 12r + 3
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The answer to your question is B
Answer:ids
Step-by-step explanation: