\[2x-5=17\]

1
Add 55 to both sides.
2x=17+52x=17+5

2
Simplify  17+517+5  to  2222.
2x=222x=22

3
Divide both sides by 22.
x=222x=\frac{22}{2}

4
Simplify  222\frac{22}{2}  to  1111.
x=11x=11

Done

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