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Q: What do you need to be given to evaluate an algebraic expression?

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To "evaluate" an expression, you need to know the value for the variables.

Say you had the letter X and you had to times it by 3 then add two the algebraic expression would look like this: 3X + 2 You sometimes need to remember bidmas which helps you remember which part of the sum you do 1st B racets I ndicies D ivision M ultiplication A ddition S ubtractraction Division and multiplication can go the other way around and that's the same as addition and subtraction. If you have to change the algebraic expression back it would be like this 5(x+y) _____ that would be X + Y x 5 / 7 7

If you mean 2n+4, or 2n-4, that already is an algebraic expression. The idea might be to put it into words. 2n+4 is twice n, increased by 4. Notice you need a comma because if you write twice n increased by 4 this is 2(n+4)

I need to; factor each expression 10x + 40 = ?

An equation with two equal signs is really to explicit equations (or three implicit ones). For example, expession 1 = expression 2 = expression 3 is equivalent to expression 1 = expression 2 AND expression 2 = expression 3 and, by transitivity, expression 1 = expression 3 So you need to solve two of the above three.

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To evaluate an algebraic expression means to simplify the expression as much as possible by replacing the variables in an expression with the numerical values given to you.Ex:Example of Evaluating an Algebraic ExpressionTo evaluate the algebraic expression '4.5 + x' for x = 3.2, we need to replace x with 3.2 and then add. 4.5 + x = 4.5 + 3.2=7.7Solved Example on Evaluating an Algebraic ExpressionEvaluate the algebraic expression p + 3q + 2p - 3q, for p = 2 and q = - 5.Choices:A. 12B. 18C. 3D. 6Correct Answer: DSolution:Step 1: p + 3q + 2p - 3q [Original expression.]Step 2: = (p + 2p) + (3q - 3q) [Group the like terms together.]Step 3: = 3p [Solve within the grouping symbols.]Step 4: = 3 x 2 [Substitute 2 for p.]Step 5: = 6 [Multiply.]

To "evaluate" an expression, you need to know the value for the variables.

An algebraic expression need not be a difference of two terms.

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.

By itself you cannot. You need to have a set of values for the variables and the expression which you need to solve.

You cannot write an algebraic expression for that, you need an equation. The equation is n - 6 = 4

You convert an (infix) expression into a postfix expression as part of the process of generating code to evaluate that expression.

When you have an algebraic expression with variables in it, you need to know the the value of each variable. The value of the expression is found by replacing the variables with their values and simplifying. For example, evaluate 2xy-3x if x=5 and y=-1. 2xy-3x = 2*5*(-1) -3*5 = -10-15 = -25.

It may need an answer but only equations include an equality sign

Need more context

I think it is important because you need to know it when you get older.

first of all you need to simplify it in the form of a+b

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