math.algebra

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I need help solving:

ã5x+5-=0

Thanks for the help!!1

  • math.algebra -

    5x + 5 = 0
    *Subtract 5 from both sides*
    5x = -5
    *Divide by 5 from both sides to isolate your variable x*
    x = -1

  • math.algebra -

    What does ã5x mean, and why is there a - sign before the = sign?

  • math.algebra -

    I'm sorry, its suppose to be square root 5x+5-5=0

  • math.algebra -

    If you mean sqrt(5x) + 5 - 5 =0,
    the +5 -5 cancels out and you get
    sqrt x = 0 and x = 0.

    If you mean sqrt(5x+5) -5 = 0, then rewrite it as
    sqrt(5x+5) = 5
    Now square both sides:
    5x+5 = 35
    5x = 20
    x = 4

    Proper use of parentheses is important.

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