Solve for p
p=\frac{2-e}{3}\approx -0.239427276
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p+4-7p=2e
Subtract 7p from both sides.
-6p+4=2e
Combine p and -7p to get -6p.
-6p=2e-4
Subtract 4 from both sides.
\frac{-6p}{-6}=\frac{2e-4}{-6}
Divide both sides by -6.
p=\frac{2e-4}{-6}
Dividing by -6 undoes the multiplication by -6.
p=\frac{2-e}{3}
Divide 2e-4 by -6.
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