Solve for x
x=-5
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x+3x=-10\times 2
Multiply both sides by 2.
4x=-10\times 2
Combine x and 3x to get 4x.
4x=-20
Multiply -10 and 2 to get -20.
x=\frac{-20}{4}
Divide both sides by 4.
x=-5
Divide -20 by 4 to get -5.
Examples
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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