exam Maths Puzzle Numerical Ability

I need to check my answer:

Solve the equation:
x/2x+2= -2x/4x+4 + 2x-3/x+1

Thank you again

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exam Other Question

Graph. y > x2+ 2.5

Thanks. Could someone please help?
The selling price for one computer keyboard is $17.00. The total cost (in dollars) to produce x keybords is give by C(x)=6x+40. Assuming the keyboard ma