|1/2x -4|=2
Z int.geom.
|1/2x -4|=2 ⇔ ½x-4=2 ∨ ½x-4=-2 ⇔ ½x=6 ∨ ½x=2 ⇔ x=12 ∨ x=4
MR HIT :P
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|1/2x -4|=2
Z int.geom.
|1/2x -4|=2 ⇔ ½x-4=2 ∨ ½x-4=-2 ⇔ ½x=6 ∨ ½x=2 ⇔ x=12 ∨ x=4
MR HIT :P