Solve for x
x>-3
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5x+9-8x<18
Subtract 8x from both sides.
-3x+9<18
Combine 5x and -8x to get -3x.
-3x<18-9
Subtract 9 from both sides.
-3x<9
Subtract 9 from 18 to get 9.
x>\frac{9}{-3}
Divide both sides by -3. Since -3 is negative, the inequality direction is changed.
x>-3
Divide 9 by -3 to get -3.
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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
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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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