Solve for x
x=-5
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4x=-20
Subtract 20 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-20}{4}
Divide both sides by 4.
x=-5
Divide -20 by 4 to get -5.
Examples
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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