Solve for n
n\leq 12
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n+13\leq 25
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
n\leq 25-13
Subtract 13 from both sides.
n\leq 12
Subtract 13 from 25 to get 12.
Examples
Quadratic equation
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Linear equation
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Matrix
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Simultaneous equation
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Limits
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