anonymous
  • anonymous
PLEASE HELP: Solve for x: −2x − 4 > 8
Mathematics
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anonymous
  • anonymous
PLEASE HELP: Solve for x: −2x − 4 > 8
Mathematics
katieb
  • katieb
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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anonymous
  • anonymous
You would want to get x by itself to solve for x. To do this, you'd add 4 to both sides. So it would become -2x> 12. Then divide by -2. When you divide by a negative on an inequality , the sign flips. So > would become <. x<-6. You can prove this because less than a negative number, such as -6, would be farther back on the negative line. So less than -6 would be -7, or -8, and so on. You can plug -7 in and it becomes 10>8, which is true.

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