SOLUTION: is 3x+5 and 8x equivalent?

Question 231858: is 3x+5 and 8x equivalent?

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
No
3x+5 is a variable value depending on the value of x.
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8x is also a variable value depending on the value of x.
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But if you let x = 5, the value of the 1st expression is 20.
The value of the 2nd expression is 40.
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The expressions are not equivalent.
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Cheers,
Stan H.
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