\[2x-4=6\]
1
Add 44 to both sides.
2x=6+42x=6+4

2
Simplify  6+46+4  to  1010.
2x=102x=10

3
Divide both sides by 22.
x=102x=\frac{10}{2}

4
Simplify  102\frac{10}{2}  to  55.
x=5x=5

Done

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