Solve for d
d=21
Solve for p (complex solution)
p\in \mathrm{C}
d=21
Solve for p
p\in \mathrm{R}
d=21
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21+0p=d
Multiply 0 and 25 to get 0.
21+0=d
Anything times zero gives zero.
21=d
Add 21 and 0 to get 21.
d=21
Swap sides so that all variable terms are on the left hand side.
Examples
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Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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