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What do you call replacing a variable in an expression by a number and simplifying the result?
That is called 'solving'.
To find the value of an algebraic expression by substituting a number for each variable and simplifying?
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What is to replace a variable with a number or anotherexpression in an expression?
The term for replacing a variable with another value or expression is "substitution."
What is replacing each variable with a number in an expression and simpiifying the result?
Evaluating the expression.
What is replacing a variable in an expression with a number value called?
Substituting.
What is replacing each variable in an expression by a number and calculating the answer?
That is sometimes known as EVALUATING the expression.
What is the meaning of variable in algebraic expression?
Variable is any letter used in an algebraic expression, and can vary (change form) to be any number, and one variable means the same number in any single algebraic expression. Usually algebra is simplifying the expression or equation until you know what the variable is equal to.
To find the value of an algebraic expression by subsituting a number for each variable and simplifying?
And the question is ...
What is an algebraic expression by replacing each variable with a given number and performing all operations?
It is called evaluating the equation.
Why replacing variable for a number in an expression or equation is called substituting?
Because you are substituting a number for a variable. Like substituting salt for sugar in a cake recipe. Although you really shouldn't do the latter.
How do you find the value of an algebraic expression by substituting a number for each variable and simplifying?
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.
What is a number that is multiplied by a variable in an expression?
The number is called the coefficient of the variable
