\[2x+3=9\]
1
Subtract 33 from both sides.
2x=9−32x=9-3

2
Simplify  9−39-3  to  66.
2x=62x=6

3
Divide both sides by 22.
x=62x=\frac{6}{2}

4
Simplify  62\frac{6}{2}  to  33.
x=3x=3

Done

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