Answer:
<h2>8(7n - 2) - 6(7n + 1) = 14n - 22</h2>
Step-by-step explanation:
8(7n - 2) - 6(7n + 1)
use the distributive property: a(b + c) = ab + ac
= 8 · 7n + 8 · (-2) + (-6) · 7n + (-6) · 1
= 56n - 16 - 42n - 6
combine like terms
= (56n - 42n) + (-16 - 6)
= 14n - 22
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The answer is 173 because you must divide 520 by 3 and you will get 173.
Answer:
x>7
Step-by-step explanation:
The answer of those that would support the fact that rational numbers are closed under addition would be the third one.
Hope I helped.
