$$\(14 y=c-d x\)$$ $$\(c=15\)$$ $$\(d=8\)$$ $$\(x=-4\)$$ (a) Work out the value of $$\(y\)$$. $$\(y=\)$$ (2) $$\(t=4(p-q)\)$$ $$\(t=18\)$$ $$\(q=6\)$$ (b) Work out the value of $$\(p\)$$. $$\[ p= \]$$ (2)

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