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padilas [110]
3 years ago
15

-5=n/2 I need help because I'm just a dumb kid

Mathematics
2 answers:
Andrei [34K]3 years ago
8 0
To isolate the n, you would multiply both sides of the equation by 2 which would give you -10=n
Elanso [62]3 years ago
4 0

To solve this equation, we need to get the variable n alone on the right side of the equation. To do this, we need to get rid of the denominator on this variable. To get rid of the denominator, we must multiply both sides by 2, because multiplication is the inverse operation of division (which is being used to create the denominator).

-5 = n/2

-5 * 2 = n/2 * 2

-10 = n

Therefore, your answer is that n = -10.

If you ever want to check and make sure your answer is correct, you can plug this value back into the original equation. -5 = -10/2, which is a true statement, so we know our answer is correct.

Hope this helps!

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A retangle has a perimeter (p) of 58 inches. The length (L) is one more than 3 times the width (W)
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The rectangle has a perimeter P of 58 inches.The length l is one more than 3 times the width w.write and solve a system of linear equations to find the length and width of the rectangle?

Answer:

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Width(W) = 7 inches

Step-by-step explanation:

GIven:-

Perimeter (p)=58 inches,

Length(L)= one more than 3 times the width(W)

Let, W=x   ---------------------------------(equation 1

L=3x+1  -----------------------(equation 2)

Here x is unknown and to find the Width(W) we have to find the value of x.

Now,

Perimeter of rectangle(p) = 2 times length(L) + 2 times width(W)

p=2L+2W

p=2(3x+1)+2x  ----------------(from equation 1)

58=6x+2+2x   ----------------(given p=58 inches)

58=8x+2

8x=58-2

8x=56

x=\frac{56}{8}

x=7          ----------------------(equation 3)

Now substituting the value of equation 3 in equation 2.

L=3x+1

L=(3\times 7)+1

L=21+1

L=22

L=22 inches

as, W=x   -----------------------(from equation 1)

W=7 inches -------------------(equation 3)

Therefore, Length(L) = 22 inches and Width(W) = 7 inches.

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Answer:

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aalyn [17]

Answer:

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Step-by-step explanation:

Given,

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Since,

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