9n+9=81
9n=72
n=8
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9n + 18 = 81 9n = 63 n = 7
n = 26
The equation N-10 plus 9N-e equals 10N-3. This is a math problem.
you have 9n+17=-1 -17 -17 9n=-18 /9 /9 n= -2
The equation "9n equals 126" can be written as 9n = 126.