Jenny is 3 less than half of a, or 1/2a - 3. Fraz is twice a + 7, or 2a+7.
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The Atomic number.
Hope this helps.
Answer: A
Step-by-step explanation:
When you use the distributive property, you are multiplying every term in the parentheses by the number outside of it. You are typically multiplying so that is how you will get the simplified form of your equation.