135k views
1 vote
What is the value of n in the equation: -1/2(2n + 4) - 6 = -9 + 4(2n + 1)

User Aajkaltak
by
8.2k points

1 Answer

1 vote

Answer:

To find the value of n in the equation, let's solve the equation step by step:

-1/2(2n + 4) - 6 = -9 + 4(2n + 1)

First, let's simplify the equation by performing the operations inside the parentheses:

-1/2 * 2n - 1/2 * 4 - 6 = -9 + 4 * 2n + 4 * 1

- n - 2 - 6 = -9 + 8n + 4

Next, let's combine like terms on both sides of the equation:

- n - 8 = -9 + 8n + 4

Now, let's simplify further by combining the constants on both sides:

- n - 8 = 8n - 5

To isolate the variable terms on one side, let's move the n term to the right side by adding n to both sides:

-8 = 8n - n - 5

Simplifying further:

-8 = 7n - 5

Next, let's isolate the variable terms by moving the constant term to the right side by adding 5 to both sides:

-8 + 5 = 7n - n

-3 = 6n

Finally, let's solve for n by dividing both sides of the equation by 6:

-3/6 = n

Simplifying the division:

-1/2 = n

Therefore, the value of n in the equation is -1/2.

User Mukul
by
7.1k points