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Arturiano [62]
2 years ago
14

Solve the equation: -7n = 105 What is the value of n?​

Mathematics
2 answers:
azamat2 years ago
6 0

Answer:

-15

Step-by-step explanation:

to isolate the variable (n), divide both sides by -7

105/-7=-15

kirza4 [7]2 years ago
3 0

Answer:

-15

Step-by-step explanation:

process of elimination.

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An estate of $686,000 is left to three siblings. The eldest receives 2 times as much as the youngest. The middle sibling receive
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Answer:

The oldest gets -> $335,500

The middle gets -> $182,750

The youngest gets -> $167,750

Step-by-step explanation:

<u>Step 1:  Make an equation</u>

<em>686,000 = 2y + (15,000 + y) + y</em>

<u>Step 2:  Solve for y</u>

686,000 - 15,000 = 2y + 15,000 + y + y - 15,000

671000 / 4 = 4y / 4

<em>167,750 = y</em>

<u>Step 3:  Figure the amount of money the middle sibling gets</u>

m = y + 15,000

m = 167,750 + 15,000

<em>m = 182,750</em>

<u>Step 4:  Figure the amount of money the oldest sibling gets</u>

o = 2y

o = 2(167,750)

<em>o = 335,500</em>

Answer:  The oldest gets -> $335,500

                The middle gets -> $182,750

                The youngest gets -> $167,750

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3 years ago
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