Subtract \(2x\) from both sides.
\[9x+1-2x=-4\]
Simplify \(9x+1-2x\) to \(7x+1\).
\[7x+1=-4\]
Subtract \(1\) from both sides.
\[7x=-4-1\]
Simplify \(-4-1\) to \(-5\).
\[7x=-5\]
Divide both sides by \(7\).
\[x=-\frac{5}{7}\]
Decimal Form: -0.714286
x=-5/7
