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UKMT Junior Kangaroo, 2019

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

In the diagram, $\spadesuit$ , $\blacklozenge$ and $\clubsuit$ each represent a positive integer. The sums of the numbers in each row and in each column are as shown.

What is the value of $\spadesuit + \blacklozenge - \clubsuit$ ?

(A) $12$ (B) $17$ (C) $18$ (D) $22$ (E) $23$

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