Solve for x
x\in \mathrm{R}
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7x+14=7x+14
Use the distributive property to multiply 7 by x+2.
7x+14-7x=14
Subtract 7x from both sides.
14=14
Combine 7x and -7x to get 0.
\text{true}
Compare 14 and 14.
x\in \mathrm{R}
This is true for any x.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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