Solve for x
x\geq 90
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x-30\geq 60
Multiply both sides of the equation by 5. Since 5 is positive, the inequality direction remains the same.
x\geq 60+30
Add 30 to both sides.
x\geq 90
Add 60 and 30 to get 90.
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 ) }
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Limits
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