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3 years ago

What is the value of the n in this equation n + 16 = 21

Mathematics

2 answers:

Verdich [7]3 years ago

7 0

Answer:

n = 5

Step-by-step explanation:

Given

n + 16 = 21 ( isolate n by subtracting 16 from both sides )

n = 5

Marianna [84]3 years ago

3 0

Answer:

n=5

Step-by-step explanation:

n+16=21

n=21-16

n=5

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Which ordered pair is the best estimate for the solution of the system of equations

Colt1911 [192]

The ordered pair that is the best estimate for the solution of the system of equations is (7, 1/2)

The given system of equations is:

$y=-\frac{1}{2}x + 4.......................(1)\\\\y = \frac{1}{2}x-3..........................(2)$

Equate equations (1) and (2)

$-\frac{1}{2}x + 4=\frac{1}{2}x -3$

Solve for x in the equation above

$-\frac{1}{2}x -\frac{1}{2}x =-3-4\\\\-x=-7\\\\x=7$

Substitute x = 7 into equation (1)

$y=-\frac{1}{2}x + 4\\\\y=-\frac{1}{2}(7) + 4\\\\y=\frac{1}{2}$

The ordered pair that is the best estimate for the solution of the system of equations is (7, 1/2)

Learn more on system of equations here: brainly.com/question/13729904

5 0

2 years ago

6.) -2x + y = -1 X Y -4 -3 -2 1 0

MrRa [10]

Answer:

Step-by-step explanation:

i ASSUME THE QUESTION IS TO DETERMINE Y?

Rearrange the equation to y = 2x - 1 and solve for each value of x

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2 years ago

-(5m+1) please help me!!!!!!!!

Art [367]

Answer:

-5m-1

Step-by-step explanation:

You have to multiply the negative sign by 5m and 1.

(-)(5m)= -5m

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-5m - 1

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3 years ago

What is the value of the n in this equation n + 16 = 21​

What is the value of the n in this equation n + 16 = 21