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Q: Algebraic expression for 15 more than the absolute value of a number?

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Ix^2 - 8I

To find the value of an algebraic expression is to evaluate it.

It can be: 2x-25 or 25-2x or maybe the absolute value of (2x-25).

Replace each variables in the algebraic expression by its [known] value and calculate the value (ie evaluate) of the algebraic expression.

When the value of a variable in an algebraic expression changes, the value of the expression can change.

322

addition

The answer to the question is given in the question!If you want to find the value of an algebraic expression, then you need to substitute numerical values for each of the variables in the expression, and then calculate and simplify the result.

Absolute value can be defined as the distance from the expression to zero. Therefore, the absolute value of 13 is 13.

Value

A constant in an algebraic expression is a number that does not change. For example x + 2 The 2 is a constant (does not change) x is a variable (can take on any value)

to simplify!!* * * * *No. It is to EVALUATE.

Take the value of each variable in the expression and replace the variable by its value. Then do the math!

Say you have an algebraic expression y = 3x +4 For a given value of x = 5 substitute that number in place of x in the expression, so in this case y = 3(5) + 4 = 19

It means to find the value of an expression or algebraic expression

If y = 3 then what is the value of: y + 8 = ? a number equal eight

x is a variable that represents an unknown number and its value depends on the algebraic expression it is used in.

Abs(11).

Evaluating the expression

you have to deduce the variable and evaluate the expression.

to solve for the variable

Simplify !

umm I don't know

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.

The absolute value of a positive number is the same number - in this case, 1.5. The absolute value of a negative number is the number, without the sign. Note that the absolute value of an expression like (-x) is not necessarily (x); rather, you have to separately consider the case that x is positive, or that x is negative. For example, the absolute value of x is x (if x is positive), or (-x) (if x is negative).