Oh, dude, it's like super easy. So, 2n plus 5 is just an algebraic expression where you double the value of n and then add 5 to it. That's it. Nothing crazy, just some basic math.
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2n+5's value depends on what the value of n is.
When given a value for n, multiply n by 2, and add 5 to that number.
7+2n
6=(1-2n)+5 6-5=(1-2n)+5-5 1=1-2n 1-1=1-1-2n 0=-2n 0/-2=-2n/-2 0=n
3n+5=2n+7 subtract 2n on both sides. n+5=7 subtract 5 to the other side. n=2 the answer to n is 2. Hoped that helped. (:
2n + 5 = 25 < ---------------- Write the Equation 2n = 20
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