Solve for x
x\geq 1
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4x\geq 12-8
Subtract 8 from both sides.
4x\geq 4
Subtract 8 from 12 to get 4.
x\geq \frac{4}{4}
Divide both sides by 4. Since 4 is positive, the inequality direction remains the same.
x\geq 1
Divide 4 by 4 to get 1.
Examples
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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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