Solve for a
a>1
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-4a<-4
Subtract 4 from both sides. Anything subtracted from zero gives its negation.
a>\frac{-4}{-4}
Divide both sides by -4. Since -4 is negative, the inequality direction is changed.
a>1
Divide -4 by -4 to get 1.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Limits
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