Solve for x
x>2
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7-x-2x<1
Subtract 2x from both sides.
7-3x<1
Combine -x and -2x to get -3x.
-3x<1-7
Subtract 7 from both sides.
-3x<-6
Subtract 7 from 1 to get -6.
x>\frac{-6}{-3}
Divide both sides by -3. Since -3 is negative, the inequality direction is changed.
x>2
Divide -6 by -3 to get 2.
Examples
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Matrix
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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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