Solve for x
x=-5
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-2x-12-4x=18
Subtract 4x from both sides.
-6x-12=18
Combine -2x and -4x to get -6x.
-6x=18+12
Add 12 to both sides.
-6x=30
Add 18 and 12 to get 30.
x=\frac{30}{-6}
Divide both sides by -6.
x=-5
Divide 30 by -6 to get -5.
Examples
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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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