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Gemiola [76]
3 years ago
7

What is the explicite to 19,13,7,1,...

Mathematics
1 answer:
andrey2020 [161]3 years ago
5 0
19, 13,  7,  1,…
  - 6  - 6  - 6

Something that is explicit to the problem is tat it has a common difference of -6.

a(n) = a₁ + d(n - 1)
a(n) = 19 - 6(n - 1)
a(n) = 19 - 6(n) + 6(1)
a(n) = -6n + 19 + 6
a(n) = -6n + 25
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Step-by-step explanation:

Given:

\sf{\dfrac{5}{2}x-7=\dfrac{3}{4}x+14 \implies \dfrac{10}{4}x-7=\dfrac{3}{4}x+14}

1. Multiply both sides by 4

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2. Subtract 3x from both sides

\sf{10x-3x-28=3x-3x+56}\\\\\implies 7x-28=56

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\sf{7x-28+28=56+28}\\\\\implies 7x=84

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\sf{\dfrac{7x}{7}=\dfrac{84}{7}}\\\\\implies x=12

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brainly.com/question/27844194

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