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Q: How is solving for a specified variable in a formula similar to finding a solution for an equation or inequality?

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With a formula, you know the variable's value, and you have to calculate the value of the function of it. With an equation, you know the function's value, and you have to calculate the value of the variable.

An algebraic equation or inequality can have a solution, an algebraic expression cannot. If substituting a number in place of a variable results in the equation or inequality being a true statement, then that number is a solution of the equation or inequality.

No, you can only simplify an expression. To solve for a variable, it must be in an equation.

Answer 1 == In an open sentence (an equation or inequality with a variable in it), when a number replacing the variable makes the sentence true, then it is a solution.

An equation has an equal sign, which means that we know what the variable is equal to :)

Solve the inequality and enter your solution as an inequality comparing the variable to the solution. -33+x<-33

You replace the variable by the number, do all specified calculations, and then check whether the resulting inequality is true or false. This is basically not very different from checking a solution of an equation.

This are variable introduce into equation as well as to inequality where a surplus variable is introduced.

They make up the solution set.

Slack variable is a variable that is added to a constraint to switch form an inequality to equatlity equation.

isolate the variable

An equation or an inequality that contains at least one variable is called an open sentence. ... When you substitute a number for the variable in an open sentence, the resulting statement is either true or false. If the statement is true, the number is a solution to the equation or inequality.

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