Solve for x
x>0
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x+6>2\times 3
Multiply both sides by 3. Since 3 is positive, the inequality direction remains the same.
x+6>6
Multiply 2 and 3 to get 6.
x>6-6
Subtract 6 from both sides.
x>0
Subtract 6 from 6 to get 0.
Examples
Quadratic equation
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Linear equation
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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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