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3 years ago

Solve for n 14n=70 solve

Mathematics

2 answers:

Sonbull [250]3 years ago

6 0

Answer:

n = 5

Step-by-step explanation:

We have given an equation.

14n= 70

We have to solve above equation by finding the value of n.

Dividing by 14 to both sides of equtaion ,we have

14n/14 = 70/14

As we know that 14 and 70 are multiples of 14.

Hence,

n = 5

Hence, the value of n is 5 in equation 14n = 70.

algol133 years ago

3 0

the answer is n=5

you just divide by 14 on both sides of the equation

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Read 2 more answers

Elimination_4x_2y=14 _10x+7y=_24

Gnesinka [82]

Answer:

The answer is $x=-\frac{50}{8}$ and $y=\frac{11}{2}.$

Step-by-step explanation:

Given:

-4x-2y=14

-10x+7y=-24

Now, to solve it by elimination:

$-4x-2y=14$ ......(1)

$-10x+7y=-24$ ......(2)

So, we multiply the equation (1) by 7 we get:

$-28x-14y=98$

And, we multiply the equation (2) by 2 we get:

$-20x+14y=-48$

Now, adding both the new equations:

$-28x-14y+(-20x+14y)=98+(-48)$

$-28x-14y-20x+14y=98-48$

$-28x-20x-14y+14y=50$

$-8x=50$

Dividing both the sides by -8 we get:

$x=-\frac{50}{8}$

Now, putting the value of $x$ in equation (1):

$-4x-2y=14$

$-4(-\frac{50}{8})-2y=14$

$\frac{200}{8} -2y=14$

$25-2y=14$

Subtracting both sides by 25 we get:

$-2y=-11$

Dividing both sides by -2 we get:

$y=\frac{11}{2}$

Therefore, the answer is $x=-\frac{50}{8}$ and $y=\frac{11}{2}.$

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