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2 years ago

How can you isolate the variable 3n in 3n + 2 = 8

Mathematics

1 answer:

Hoochie [10]2 years ago

5 0

Answer:

Simple and best practice solution for 3n-2=8 equation. ... 3n + -2 = 8 Reorder the terms: -2 + 3n = 8 Solving -2 + 3n = 8 Solving for variable 'n'.

Step-by-step explanation:

hope it helps

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Step-by-step explanation:

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3 years ago

Which equation has a graph that goes through the points (4, -6) and (0, 6)?

Ugo [173]

Answer:

$y = -3x + 6\\$

Step-by-step explanation:

Find the gradient of the equation

$\frac{Difference in y}{Difference in x} \\\\\frac{6 - - 6}{0 - 4} = \frac{12}{-4} = -3$

The equation will have the gradient -3x

Use the general equation of a line, and substitute the coordinates in to find the y-intercept.

$y = x + c\\ y = -3x + c\\$

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$-6 = -3(4) + c\\ -6 = -12 + c\\ -6 + 12 = c\\ c = 6$ $6 = -3(0) + c\\ 6 = 0 + c\\ c = 6$

(0, 6)

$6 = -3(0) + c\\ 6 = -0 + c\\ c = 6$

The equation of the line is

$y = -3x + 6\\$

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3 years ago

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Arte-miy333 [17]

I believe both answers are Shannon.

3 0

2 years ago

Read 2 more answers

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just olya [345]

Answer:

3rd option.

Step-by-step explanation:

$\frac{2|k|}{5}$ = 4

move 5 to the other side of the equation.

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move 2 to the other side of the equation.

|k| = $\frac{20}{2}$

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Answer:

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Step-by-step explanation:

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