Solve for z_5
z_{5}=-7
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2+2-z_{5}=11
The opposite of -2 is 2.
4-z_{5}=11
Add 2 and 2 to get 4.
-z_{5}=11-4
Subtract 4 from both sides.
-z_{5}=7
Subtract 4 from 11 to get 7.
z_{5}=-7
Multiply both sides by -1.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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