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Earn +20 ptsQ: How do you get 9 from 2n plus 4?
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N plus 4 plus 2n plus 5?
3n + 9 = 3(n + 3)
What is the answer to 3 plus 3n equals 9 plus 2n plus 4n?
3 + 3n = 9 + 2n + 4n n = -2
How do you solve 17 plus 2n equals 21 plus 2n?
You can't. 17 + 2n = 21 + 2n gives: 2n = 4 + 2n which gives 0=4 which is not possible so the sum is not solveable.
-7n plus 2n plus 9 equals?
9 - 5n
What is 2n plus 4?
It's an algbraic expession in the form of: 2n+4
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