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The true statements are:
- 7 is a factor.
- 1 and 3 are like terms.
- In 2b, 2 is a coefficient.
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Extra Insights
Certainly! Let’s jazz it up with some historical and practical insights.
Did you know that the distribution of multiplication over addition (like in your expression) was first flouted by the ancient Babylonians? They laid the groundwork for algebraic concepts as far back as 2000 BCE! Their clay tablets show an understanding of algebraic principles that reminds us of how we handle expressions today—mixing numbers and variables in delightful and effective ways!
In the real world, we often apply expressions like this in budgeting scenarios. Imagine you’re planning a party! The total cost could involve several parts: the venue fee influenced by the number of guests (2b), plus additional costs (like $9 for snacks). Understanding factors and coefficients in similar expressions helps you balance your budget effectively, ensuring your party is both fantastic and financially savvy!