Pre-Algebra

I need work the answer is 5 but i keep getting 4.5 if anyone can help me on the rest i got a page of work!

2y=20-4x*0

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asked by Alex
  1. What does the * symbolize? The way its written doesn't make sense.

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    posted by Jen
  2. 2y = 20 - 4x^0?

    If it is x^0, anything to zero power = 1

    2y = 20 - 4

    Solve for y.

    If you really mean to multiply (*), then

    2y = 20 - 0

    Solve for y.

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    posted by PsyDAG

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