Solve for x
x\geq \frac{9}{4}
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8x\geq 13+5
Add 5 to both sides.
8x\geq 18
Add 13 and 5 to get 18.
x\geq \frac{18}{8}
Divide both sides by 8. Since 8 is positive, the inequality direction remains the same.
x\geq \frac{9}{4}
Reduce the fraction \frac{18}{8} to lowest terms by extracting and canceling out 2.
Examples
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Matrix
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Simultaneous equation
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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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