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Springboard Algebra 1 Unit 1 Equations And Inequalities

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Composing Equations And Inequalities

Springboard Algebra 1 Lesson 3-1 Inequalities and their Solutions

Equations and inequalities are both mathematical sentences formed by relating two expressions to each other. In an equation the two expressions are deemed equal which is shown by the symbol =.

x=y x is equal to y

Where as in an inequality the two expressions are not necessarily equal which is shown by the symbols: > , < , or .

x> y x is greater than y
xy x is greater than or equal to y
x< y x is less than y
xy x is less than or equal to y

An equation or an inequality that contains at least one variable is called an open sentence.

When you substitute the variable in an open sentence with a number the resulting statement is either true or false. If the statement is true the number is a solution to the equation or inequality.

Example

Is 3 a solution to

$$5x+14=24$$

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