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lawyer [7]
3 years ago
11

Solve the equation. 3 = n + 4 Question 3 options: 7 1 -1 12

Mathematics
1 answer:
zysi [14]3 years ago
6 0

Hey!

------------------------------------------------

Steps To Solve:

~Subtract n to both sides

3 - n = n + 4 - n

~Simplify

3 - n = 4

~Subtract 3 to both sides

3 - n - 3 = 3 - 4

~Simplify

n = -1

------------------------------------------------

Answer:

\large\boxed{n~=~-1}

------------------------------------------------

Hope This Helped! Good Luck!

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Solve the following system of equations , and find the ordered pair. X =-y-6 and -7x +6y=-10
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Given:

There are given the equation:

\begin{gathered} x=-y-6...(1) \\ -7x+6y=-10...(2) \end{gathered}

Explanation:

From the equation (1):

Put the value of x into the equation (2):

So,

From the equation (2):

\begin{gathered} \begin{equation*} -7x+6y=-10 \end{equation*} \\ -7(-y-6)+6y=-10 \\ 7y+42+6y=-10 \\ 13y=-10-42 \\ 13y=-52 \\ y=-4 \end{gathered}

Now,

Put the value of y into the equation (1):

So,

From the first equation:

\begin{gathered} \begin{equation*} x=-y-6 \end{equation*} \\ x=-(-4)-6 \\ x=4-6 \\ x=-2 \end{gathered}

Final answer:

Hence, the ordered pair of the solution is shown below:

(-2,-4)

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