Question

add each pair of expression a+b+2and a-b-1 its urgent plzz fast​

Answer 1

Answer:

$\tt{ \: \: \: \: a + b + 2} \\ \tt{ \: \: \: \: a - b - 1} \\ \over \underline{\tt{ = \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 1}}$

Step-by-step explanation:

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Answer 2

Answer:

2a+1

Step-by-step explanation:

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