x ............... 4
_____ = ______
x + 1 ....... x + 4
x(x + 4) = 4(x + 1)
x2 + 4x = 4x + 4
and so
x2 = 4 ,,, take the root square for both
the result will be
x = ±2
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8 eighteenths plus 3 eighteenths ie 11/18
1 over 3 plus 1 over 12 equals 5 over 12
The answer to 1 over 2x plus 13 equals 9 is x equals -8.
It is: 1/3 plus 1/3 = 2/3
That equals 1/4.