Solve for x
x=3
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x=9-2x
Add 7 and 2 to get 9.
x+2x=9
Add 2x to both sides.
3x=9
Combine x and 2x to get 3x.
x=\frac{9}{3}
Divide both sides by 3.
x=3
Divide 9 by 3 to get 3.
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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