Answer:
x=-2
Step-by-step explanation:
Let m=x

Expand the parentheses:

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Answer:
i think is B
Step-by-step explanation:
Answer:
Step-by-step explanation:
- 1/a + 1/b =
- b / ab + a / ab =
- (b + a) / ab
The common denominator is ab
Correct choice is D