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arsen [322]
3 years ago
5

The solution of equation 3n - 7 = 3 - 2n is????? I need this ans fast plsss

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
8 0

Answer:

n=2

Step-by-step explanation:

3n-7=3-2n

3n-7+7=3-2n+7

3n=-2n+10

3n+2n=-2n+10+2n

5n=10

\cfrac{5n}{5}=\cfrac{10}{5}

n=2

adoni [48]3 years ago
6 0

Answer:

n=2

Step-by-step explanation:

3n-7=3-2n

5n=10 (add 2n on both sides and also add 7 on both sides of the equal sign)

n=2

DUBS

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Question 12(Multiple Choice Worth 1 points)
daser333 [38]

The equation of a line is y=-1/4x-7, (option 1)

<h3>What is the equation of a line? </h3>

A straight line's general equation is y = mx + c, where m denotes the gradient and y = c denotes the point at which the line crosses the y-axis.

<h3>How do you find the equation of a line?</h3>

Write the equation in the form y = mx + b to find the slope m and the y-intercept. This will allow you to graph the equation using the slope and y-intercept.

Given:-

Equation of the line is y=4x+8 

The point through which the line passes (-8,4).

here the slope of the line is m1=4

To find the perpendicular line we know the formula

m1*m2=-1

By putting the value of m1 we get m2= -1/4

By using the one-point formula of the line we have

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By putting the values of y1 and x1 we get

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Hence the desired equation of the line is y=-1/4x-7

To find more about the straight line equations visit :

brainly.com/question/25969846

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