Solve for x
x=-2
x=2
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|x|-1=1
Swap sides so that all variable terms are on the left hand side.
|x|=1+1
Add 1 to both sides.
|x|=2
Add 1 and 1 to get 2.
x=2 x=-2
Use the definition of absolute value.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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