4x-3=2x+9 (original problem)
2x-3=9 (subtract 2x from both sides)
2x=12 (add 3 to both sides)
x=6 (divide both sides by 2)
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2x = -x +9
The answer to 1 over 2x plus 13 equals 9 is x equals -8.
5x+18 = 2x+9 5x-2x = 9-18 3x = -9 x = -3 and y = 3
5x + x - 6x + 2x = 2x
y=-2x+9