9-2x=-1
subtract the 9 from both sides
-2x=-10
divide each side by -2
x=5
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2x + 1 = 9 2x = 9 - 1 2x = 8 2x/2 = 8/2 x=4
The answer to 1 over 2x plus 13 equals 9 is x equals -8.
2x + 9 = 6x + 1 9 - 1 = 6x - 2x 8 = 4x x = 2
2x + 3y = 9x = 3, y = 1 therefore 6 + 3 = 9
5