1. Seven divided the sum of a number and three is equal to half the difference of the number and three.Find the numbers.
can anyone help me please i need it now.
can anyone help me please i need it now.
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Answer:
Let number be x
The equation is
7/(x+2) = (1/2) (x-3)
14 = (x+2)(x-3)
14 = x2 -x - 6
x2-x -20 = 0
(x-5)(x+4) = 0
x=5 or -4
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