Solve for x
x=2
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8+7x-9x=4
Subtract 9x from both sides.
8-2x=4
Combine 7x and -9x to get -2x.
-2x=4-8
Subtract 8 from both sides.
-2x=-4
Subtract 8 from 4 to get -4.
x=\frac{-4}{-2}
Divide both sides by -2.
x=2
Divide -4 by -2 to get 2.
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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