To solve this equation, we need to get everything that looks like x to one side of the equation, and everything else to the other side. This means:

`3.5x-1=-1/2(-7x+2)` multiply both sides by -2

`-7x+2=-7x+2` move variables to left side, and numbers to right

`-7x+7x=2-2` simplify

`0=0`

**This equation is true for all values of x, which means that its solution is all real numbers.**

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