Solve for x
x=-5
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-4x=20
Combine x and -5x to get -4x.
x=\frac{20}{-4}
Divide both sides by -4.
x=-5
Divide 20 by -4 to get -5.
Examples
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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