Solve for x
x>6
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\frac{x}{5}-2>-\frac{4}{5}
Divide both sides by -5. Since -5 is negative, the inequality direction is changed.
x-10>-4
Multiply both sides of the equation by 5. Since 5 is positive, the inequality direction remains the same.
x>-4+10
Add 10 to both sides.
x>6
Add -4 and 10 to get 6.
Examples
Quadratic equation
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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
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Limits
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