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2p=21p+4
We simplify the equation to the form, which is simple to understand
2p=21p+4
We move all terms containing p to the left and all other terms to the right.
+2p-21p=+4
We simplify left and right side of the equation.
-19p=+4
We divide both sides of the equation by -19 to get p.
p=-0.21052631578947
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