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 21 Page 149

Substitute - 18 into the given inequality and then simplify.

No.

Practice makes perfect
We can determine whether - 18 is a solution by substituting it into the inequality and simplifying.
a/6> - 4
- 18/6 ? > - 4
- 18/6 ? > - 4
- 3 > - 4 âś“
Since - 3 is greater than - 4, - 18 is a solution.