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

2
Simplify  4+44+4  to  88.
4x=84x=8

3
Divide both sides by 44.
x=84x=\frac{8}{4}

4
Simplify  84\frac{8}{4}  to  22.
x=2x=2

Done

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