Solve for x
x=9
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-x+2x=-1+10
Add 10 to both sides.
-x+2x=9
Add -1 and 10 to get 9.
x=9
Combine -x and 2x to get x.
Examples
Quadratic equation
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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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