Solve for x
x=\frac{y+1}{3}
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-9x=-3-3y
Subtract 3y from both sides.
-9x=-3y-3
The equation is in standard form.
\frac{-9x}{-9}=\frac{-3y-3}{-9}
Divide both sides by -9.
x=\frac{-3y-3}{-9}
Dividing by -9 undoes the multiplication by -9.
x=\frac{y+1}{3}
Divide -3-3y by -9.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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