Solve for a
\left\{\begin{matrix}a=\frac{2b}{c+1}\text{, }&c\neq -1\\a\in \mathrm{R}\text{, }&b=0\text{ and }c=-1\end{matrix}\right.
Solve for b
b=\frac{a\left(c+1\right)}{2}
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ca-b+a=b
Add a to both sides.
ca+a=b+b
Add b to both sides.
ca+a=2b
Combine b and b to get 2b.
\left(c+1\right)a=2b
Combine all terms containing a.
\frac{\left(c+1\right)a}{c+1}=\frac{2b}{c+1}
Divide both sides by c+1.
a=\frac{2b}{c+1}
Dividing by c+1 undoes the multiplication by c+1.
ca-b-b=-a
Subtract b from both sides.
ca-2b=-a
Combine -b and -b to get -2b.
-2b=-a-ca
Subtract ca from both sides.
-2b=-ac-a
The equation is in standard form.
\frac{-2b}{-2}=-\frac{a\left(c+1\right)}{-2}
Divide both sides by -2.
b=-\frac{a\left(c+1\right)}{-2}
Dividing by -2 undoes the multiplication by -2.
b=\frac{a\left(c+1\right)}{2}
Divide -a\left(1+c\right) by -2.
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Limits
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