what must be subtracted to 3x +y to get 2a-b
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Answer:
-3x+y+2a-b
Step-by-step explanation:
see ,
- 3x+y+2a-b
- 3x+y
Sign changed if 3x from negative to positive and of y from positive to negative, and hence
the difference will be 2a-b,
as -3x and y will cancel each other.
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