Which is a simplified form of the expression 3a + 7 – a – 7? A. 2a B. 4a C. 2a + 14 D. 4a – 14
Mathematics · Middle School · Mon Jan 18 2021
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Given the numerical equation:
3a + 7 - a - 7
Simplify the expression.
Solution:
In order to simplify the expression, we simply need to combine like terms.
= 3a + 7 - a - 7
= 2a
Final answer:
A. 2a