exam Maths Puzzle Numerical Ability

Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.
2x+3y=1
5x+3y=16

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exam Other Question

I would really appreciate help on this equation. Thank you.

The length of a rectangle is 1 cm longer than its width. If the diagonal of the rectangle is 4 cm, what are the dimensions (the length and the width) of the rectangle? Let a,b Є R^# -׀a׀≤a≤׀a׀