(4 + 2x) - (-2x + 1) = 13 + 6
4 + 2x + 2x -1 = 19
4x +3 = 19
4x = 19 - 3
4x = 16
therefore x = 16/4
x = 4
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The answer to 1 over 2x plus 13 equals 9 is x equals -8.
3x+1+2x-2 = 64 3x+2x = 64-1+2 5x = 65 x = 13
-2x plus 3y equals 1
x = 8, y = -1
NM equals 2x + 1, as stated in the question!