Solve for x
x>\frac{8}{3}
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3x-13>\frac{45}{-9}
Divide both sides by -9. Since -9 is negative, the inequality direction is changed.
3x-13>-5
Divide 45 by -9 to get -5.
3x>-5+13
Add 13 to both sides.
3x>8
Add -5 and 13 to get 8.
x>\frac{8}{3}
Divide both sides by 3. Since 3 is positive, the inequality direction remains the same.
Examples
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Linear equation
y = 3x + 4
Arithmetic
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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