Solve for x
x=3
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-9-6x=-9x
Combine -2x and -7x to get -9x.
-9-6x+9x=0
Add 9x to both sides.
-9+3x=0
Combine -6x and 9x to get 3x.
3x=9
Add 9 to both sides. Anything plus zero gives itself.
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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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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