\[2x+1=5\]
1
Subtract 11 from both sides.
2x=5−12x=5-1

2
Simplify  5−15-1  to  44.
2x=42x=4

3
Divide both sides by 22.
x=42x=\frac{4}{2}

4
Simplify  42\frac{4}{2}  to  22.
x=2x=2

Done

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