Solve for x, y
x=2
y=-4
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y=-2\times 2
Consider the second equation. Insert the known values of variables into the equation.
y=-4
Multiply -2 and 2 to get -4.
x=2 y=-4
The system is now solved.
Examples
Quadratic equation
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Trigonometry
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Linear equation
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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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