-3n+5n+4 = -4
2n = -4-4
2n = -8
n = -4
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3n + 2n = 25 5n = 25 n = 5
22n + 2.
4 = -5n + 6n2 if you want to solve for n: 6n2 - 5n - 4 = 0 (3n - 4)(2n + 1) = 0 3n - 4 = 0, n = 4/3 2n + 1 = 0, n = -1/2 n = {-1/2, 4/3}
A - B = -3n + 2 - (5n - 7) = -3n + 2 - 5n + 7 = 9 - 8n
5n-2+2=4n 5n=4n n=0