Solve for z
z=-5
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\frac{-6}{3}=2z+8
Divide both sides by 3.
-2=2z+8
Divide -6 by 3 to get -2.
2z+8=-2
Swap sides so that all variable terms are on the left hand side.
2z=-2-8
Subtract 8 from both sides.
2z=-10
Subtract 8 from -2 to get -10.
z=\frac{-10}{2}
Divide both sides by 2.
z=-5
Divide -10 by 2 to get -5.
Examples
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\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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