Please answer all not only one by showing process
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Answer:
3x+7
Step-by-step explanation:
Let 'n' be added to 4x-5 to get 7x+2.
Now,
4x-5 + n = 7x+2
→ n = 7x+2 - (4x-5)
→ n = 7x+2 -4x+5
→ n = 3x+7
Therefore, 3x+7 must be added to 4x-5 to get 7x+2.
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