Expand.
\[18-6x=4-20x\]
Subtract \(4\) from both sides.
\[18-6x-4=-20x\]
Simplify \(18-6x-4\) to \(-6x+14\).
\[-6x+14=-20x\]
Add \(6x\) to both sides.
\[14=-20x+6x\]
Simplify \(-20x+6x\) to \(-14x\).
\[14=-14x\]
Divide both sides by \(-14\).
\[-1=x\]
Switch sides.
\[x=-1\]
x=-1