Solve for x
x=\frac{-y+b-4}{5}
Solve for b
b=5x+y+4
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-5x=y+4-b
Subtract b from both sides.
-5x=y-b+4
The equation is in standard form.
\frac{-5x}{-5}=\frac{y-b+4}{-5}
Divide both sides by -5.
x=\frac{y-b+4}{-5}
Dividing by -5 undoes the multiplication by -5.
x=\frac{-y+b-4}{5}
Divide y+4-b by -5.
b=y+4+5x
Add 5x to both sides.
Examples
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Matrix
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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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