exam Maths Puzzle Numerical Ability

find the complement of the following angle. (2x+40)

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exam Other Question

I have been having problems solving for x in the following equation.
3x^2+10x+3/x+3=x^2-4x+3/x-1
Thanks Ian Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.

x + 5y = 10
-2x - 10y = -20