Solve for x
x=3
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x-4+x=2
Add x to both sides.
2x-4=2
Combine x and x to get 2x.
2x=2+4
Add 4 to both sides.
2x=6
Add 2 and 4 to get 6.
x=\frac{6}{2}
Divide both sides by 2.
x=3
Divide 6 by 2 to get 3.
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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