5. Simplify:
(i) (a + 7) + (a - 7)?
Answers
Answered by
2
Answer:
2a
Step-by-step explanation:
(a+7)+(a-7)
= a+7+a-7
=2a
Answered by
2
STEP -- BY -- STEP -- EXPLANATION
(a+7)+(a-7)
a+7+a-7
Therefore, 2a is the answer.
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