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30.8+7.7p=53.9
We simplify the equation to the form, which is simple to understand
30.8+7.7p=53.9
We move all terms containing p to the left and all other terms to the right.
+7.7p=+53.9-30.8
We simplify left and right side of the equation.
+7.7p=+23.1
We divide both sides of the equation by 7.7 to get p.
p=3
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