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If 2w-1=2, what is the value of w^(2)-1?...

If `2w-1=2,` what is the value of `w^(2)-1`?

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The correct Answer is:
`(5)/(4)`
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  3. If 2w-1=2, what is the value of w^(2)-1?

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  4. If 11-3x is 4 less than 13, what is the value of 6x?

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  5. If 2x+1=8 and 15-3y=0, what is the value of (x)/(y)?

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  20. if a=2x+3 and b=4x-7, for what value of x is 3b=5a?

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