Add:
(a) a - b and a + b
Answers
Answered by
0
Answer:
its answer i don't know if there would be any number i think
Step-by-step explanation:
i could say but sorry
Answered by
2
Answer:
2a
Step-by-step explanation:
(a - b) + (a + b)
a - b + a + b
(a + a) + (-b + b)
2a + 0
2a
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