Solve for z
z<-\frac{9}{2}
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13-4z+6z<4
Add 6z to both sides.
13+2z<4
Combine -4z and 6z to get 2z.
2z<4-13
Subtract 13 from both sides.
2z<-9
Subtract 13 from 4 to get -9.
z<-\frac{9}{2}
Divide both sides by 2. Since 2 is positive, the inequality direction remains the same.
Examples
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Linear equation
y = 3x + 4
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Matrix
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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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