Solve for x
x=-1
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-x-\left(-1\right)=2
To find the opposite of x-1, find the opposite of each term.
-x+1=2
The opposite of -1 is 1.
-x=2-1
Subtract 1 from both sides.
-x=1
Subtract 1 from 2 to get 1.
x=-1
Multiply both sides by -1.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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