Solve for Z
Z=W-4
Solve for W
W=Z+4
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-Z=4-W
Subtract W from both sides.
\frac{-Z}{-1}=\frac{4-W}{-1}
Divide both sides by -1.
Z=\frac{4-W}{-1}
Dividing by -1 undoes the multiplication by -1.
Z=W-4
Divide 4-W by -1.
W=4+Z
Add Z to both sides.
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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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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