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Earn +20 ptsQ: What is the value of the expression 2a 1 when a3?
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Continue Learning about Algebra
How do you evaluate an algebraic expression?
You have to substitute a value for the letter variable in the expression. This is what we call evaluating the algebraic expression. An example would be 3x+1=7, when x=2.
How do you solve x plus 1 over x?
You don't "solve" an expression. You can solve an equation; an expression can be simplified or otherwise manipulated, and if you know the value of "x" (in this case), you can evaluate its value.
If you have an equation of 12x plus 1 what is x?
Without an equality sign the given expression is not an equation and so therefore finding the value of x is not possible.
What value of x makes the expression x undefined?
+1/0 or -1/0 or 0/0
Evaluate the expression for the given value of the variable 5y - 1 for y equals 3?
14
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