Solve for x
x=-4
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x+5+2x=-7
Add 2x to both sides.
3x+5=-7
Combine x and 2x to get 3x.
3x=-7-5
Subtract 5 from both sides.
3x=-12
Subtract 5 from -7 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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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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