Solve for x
x=-3
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10x+9-7x=0
Subtract 7x from both sides.
3x+9=0
Combine 10x and -7x to get 3x.
3x=-9
Subtract 9 from both sides. Anything subtracted from zero gives its negation.
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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