Solve for x
x=\frac{1}{2}=0.5
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x-3x=-1
Subtract 3x from both sides.
-2x=-1
Combine x and -3x to get -2x.
x=\frac{-1}{-2}
Divide both sides by -2.
x=\frac{1}{2}
Fraction \frac{-1}{-2} can be simplified to \frac{1}{2} by removing the negative sign from both the numerator and the denominator.
Examples
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Linear equation
y = 3x + 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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