\[9x+4=1\]

1
Subtract 44 from both sides.
9x=149x=1-4

2
Simplify  141-4  to  3-3.
9x=39x=-3

3
Divide both sides by 99.
x=39x=-\frac{3}{9}

4
Simplify  39\frac{3}{9}  to  13\frac{1}{3}.
x=13x=-\frac{1}{3}

Done

Decimal Form: -0.333333

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