Solve for p
p=-20
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p=-30+10
Add 10 to both sides.
p=-20
Add -30 and 10 to get -20.
Examples
Quadratic equation
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Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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Arithmetic
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Matrix
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Simultaneous equation
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Integration
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Limits
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