( 2 x + 1 ) + b \cdot ( 2 x + 1 ) + 3 c \cdot ( 2 x + 1 ) = ( a
Solve for b (complex solution)
\left\{\begin{matrix}b=-\frac{6cx+2x+3c-a+1}{2x+1}\text{, }&x\neq -\frac{1}{2}\\b\in \mathrm{C}\text{, }&x=-\frac{1}{2}\text{ and }a=0\end{matrix}\right.
Solve for b
\left\{\begin{matrix}b=-\frac{6cx+2x+3c-a+1}{2x+1}\text{, }&x\neq -\frac{1}{2}\\b\in \mathrm{R}\text{, }&x=-\frac{1}{2}\text{ and }a=0\end{matrix}\right.
Solve for a
a=\left(2x+1\right)\left(b+3c+1\right)
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2x+1+2bx+b+3c\left(2x+1\right)=a
Use the distributive property to multiply b by 2x+1.
2x+1+2bx+b+6cx+3c=a
Use the distributive property to multiply 3c by 2x+1.
1+2bx+b+6cx+3c=a-2x
Subtract 2x from both sides.
2bx+b+6cx+3c=a-2x-1
Subtract 1 from both sides.
2bx+b+3c=a-2x-1-6cx
Subtract 6cx from both sides.
2bx+b=a-2x-1-6cx-3c
Subtract 3c from both sides.
\left(2x+1\right)b=a-2x-1-6cx-3c
Combine all terms containing b.
\left(2x+1\right)b=-6cx-2x+a-3c-1
The equation is in standard form.
\frac{\left(2x+1\right)b}{2x+1}=\frac{-6cx-2x+a-3c-1}{2x+1}
Divide both sides by 2x+1.
b=\frac{-6cx-2x+a-3c-1}{2x+1}
Dividing by 2x+1 undoes the multiplication by 2x+1.
2x+1+2bx+b+3c\left(2x+1\right)=a
Use the distributive property to multiply b by 2x+1.
2x+1+2bx+b+6cx+3c=a
Use the distributive property to multiply 3c by 2x+1.
1+2bx+b+6cx+3c=a-2x
Subtract 2x from both sides.
2bx+b+6cx+3c=a-2x-1
Subtract 1 from both sides.
2bx+b+3c=a-2x-1-6cx
Subtract 6cx from both sides.
2bx+b=a-2x-1-6cx-3c
Subtract 3c from both sides.
\left(2x+1\right)b=a-2x-1-6cx-3c
Combine all terms containing b.
\left(2x+1\right)b=-6cx-2x+a-3c-1
The equation is in standard form.
\frac{\left(2x+1\right)b}{2x+1}=\frac{-6cx-2x+a-3c-1}{2x+1}
Divide both sides by 1+2x.
b=\frac{-6cx-2x+a-3c-1}{2x+1}
Dividing by 1+2x undoes the multiplication by 1+2x.
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