Taking (5÷2)-x(x+1)=x(2-x)
Expanding this we get 2.5 - x^2 - x = 2x - x^2
Adding x^2 to each side we get 2.5 - x = 2x
Adding x to each side we get 2.5 = 3x
Dividing both sides by 3 we get x = 5/6
So x is 5/6ths.
5/6
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Taking (5÷2)-x(x+1)=x(2-x)
Expanding this we get 2.5 - x^2 - x = 2x - x^2
Adding x^2 to each side we get 2.5 - x = 2x
Adding x to each side we get 2.5 = 3x
Dividing both sides by 3 we get x = 5/6
So x is 5/6ths.
5/6