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Earn +20 ptsQ: What is -2n plus 9n?
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What is 10n equals 7n plus 4 plus 2n?
10n = 7n + 4 + 2n so 10n = 9n + 4 Subtract 9n from both sides: n = 4
How do you solve -6n-2n?
5n+6n-2n can be solved by combining like terms. Combine 5n and 6n and -2n to get 9n.
What is 9n plus 18 equals 81?
9n + 18 = 81 9n = 63 n = 7
What is 15m plus 4n minus 5m plus 9n?
15m + 4n - 5m + 9n = 10m + 13n
9n plus 9 equals 81 what is the value of n?
9n+9=81 9n=72 n=8
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