Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
4. Writing and Graphing Inequalities
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Exercise 3 Page 147

Substitute - 5 into the given inequality and then simplify.

No.

Practice makes perfect
We can determine whether - 5 is a solution by substituting it into the inequality and simplifying.
x+12 > 7
- 5 + 12 ? > 7
7 > 7 *
Since 7 is not greater than 7, - 5 is not a solution.