Solve for x, y, z, a
a=9
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3^{2}=y
Consider the first equation. Insert the known values of variables into the equation.
9=y
Calculate 3 to the power of 2 and get 9.
y=9
Swap sides so that all variable terms are on the left hand side.
z=9
Consider the third equation. Insert the known values of variables into the equation.
a=9
Consider the fourth equation. Insert the known values of variables into the equation.
x=3 y=9 z=9 a=9
The system is now solved.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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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