Solve for x
x=4
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3x-x-3=-x+9
Combine x and 2x to get 3x.
2x-3=-x+9
Combine 3x and -x to get 2x.
2x-3+x=9
Add x to both sides.
3x-3=9
Combine 2x and x to get 3x.
3x=9+3
Add 3 to both sides.
3x=12
Add 9 and 3 to get 12.
x=\frac{12}{3}
Divide both sides by 3.
x=4
Divide 12 by 3 to get 4.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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