Solve for x
x=8
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4x-20=20-x
Multiply both sides of the equation by 4.
4x-20+x=20
Add x to both sides.
5x-20=20
Combine 4x and x to get 5x.
5x=20+20
Add 20 to both sides.
5x=40
Add 20 and 20 to get 40.
x=\frac{40}{5}
Divide both sides by 5.
x=8
Divide 40 by 5 to get 8.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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