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  • 23-05-2018
  • Mathematics
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4-4[6+2n]=-28 I need help with this

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kanest
kanest kanest
  • 23-05-2018
Multiply the term in parentheses by its coefficient:

[tex]4(6 + 2n) = 4 * 6 + 4 * 2n = 24 + 8n[/tex]

[tex]4 - (24 + 8n) = -28[/tex]

[tex]4 - 24 - 8n = -28[/tex]

Combine like terms:

[tex]-20 - 8n = -28[/tex]

Add 20 to both sides:

[tex]-8n = -8[/tex]

Divide both sides by -8 to get n by itself:

[tex]n = 1[/tex]

The value of n is 1.
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