Solve for s
s\leq 3
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3s\leq 8+1
Add 1 to both sides.
3s\leq 9
Add 8 and 1 to get 9.
s\leq \frac{9}{3}
Divide both sides by 3. Since 3 is positive, the inequality direction remains the same.
s\leq 3
Divide 9 by 3 to get 3.
Examples
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Linear equation
y = 3x + 4
Arithmetic
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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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