mellaisme mellaisme
  • 24-05-2019
  • Mathematics
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[02.05] Solve for x: 3 − (2x − 5) < −4(x + 2) x < −8 x > −8 x < −3 x > −3

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 24-05-2019

ANSWER

[tex]x \: < \: - 8[/tex]

EXPLANATION

The given inequality is

[tex]3 - (2x - 5) \: < \: - 4(x + 2)[/tex]

Expand:

[tex]3 - 2x + 5 \: < \: - 4x - 8[/tex]

Group similar terms, to obtain:

[tex] - 2x + 4x\: < \: - 8 - 5 - 3[/tex]

Combine similar terms:

[tex]2x\: < \: - 16[/tex]

Divide both sides by 2 to get,

[tex]x \: < \: - 8[/tex]

Answer Link

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