Solve for x
x=145-y
Solve for y
y=145-x
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145-x=y
Swap sides so that all variable terms are on the left hand side.
-x=y-145
Subtract 145 from both sides.
\frac{-x}{-1}=\frac{y-145}{-1}
Divide both sides by -1.
x=\frac{y-145}{-1}
Dividing by -1 undoes the multiplication by -1.
x=145-y
Divide y-145 by -1.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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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