21-06-2018
Mathematics

contestada

-4(8n-3)=84 how do i do this

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altavistard altavistard

21-06-2018

Best to ask, "How do I solve this equation for n?"

1. Div. both sides by -4, along the way to isolating 8n-3 and then n:
8n-3 = -21
2. Add 3 to both sides: 8n = -18
3. Solve for n: n = -18/8 = -9/4 (answer)

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