Solve for X, I
X=4
I=5
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9=X+5
Consider the first equation. Insert the known values of variables into the equation.
X+5=9
Swap sides so that all variable terms are on the left hand side.
X=9-5
Subtract 5 from both sides.
X=4
Subtract 5 from 9 to get 4.
X=4 I=5
The system is now solved.
Examples
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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.
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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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