# SOLUTION: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equa

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 Question 204033: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality? Write an inequality and provide a value that may or may not be a solution to the inequality. Answer by jsmallt9(3296)   (Show Source): You can put this solution on YOUR website!How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? When checking solutions of equations and inequalities there are no significant differences. You just take a possible solution and substitute that number into the original equation/inequality to see if it works. The only difference is that for equations there is a specific list of one or more solutions to check. When checking an inequality there are usually an infinite number of possible solutions. For example, if you get x < 4 as a solution, any number less than 4 (and there are an infinite number of numbers below 4) should work. If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality? Yes, but only if it is an "or equal to" type of inequality.