Solve for x
x=4
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x+5=\frac{90}{10}
Divide both sides by 10.
x+5=9
Divide 90 by 10 to get 9.
x=9-5
Subtract 5 from both sides.
x=4
Subtract 5 from 9 to get 4.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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