\[9x-2=4\]

1
Add 22 to both sides.
9x=4+29x=4+2

2
Simplify  4+24+2  to  66.
9x=69x=6

3
Divide both sides by 99.
x=69x=\frac{6}{9}

4
Simplify  69\frac{6}{9}  to  23\frac{2}{3}.
x=23x=\frac{2}{3}

Done

Decimal Form: 0.666667

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