Solve for z
z>-7
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-\frac{10}{7}z<5+5
Add 5 to both sides.
-\frac{10}{7}z<10
Add 5 and 5 to get 10.
z>10\left(-\frac{7}{10}\right)
Multiply both sides by -\frac{7}{10}, the reciprocal of -\frac{10}{7}. Since -\frac{10}{7} is negative, the inequality direction is changed.
z>-7
Cancel out 10 and 10.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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