11-07-2019
Mathematics

contestada

What is the value of n in the equation
1/2(n-1) - 3 = 3 - (2n + 3)?

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Аноним Аноним

11-07-2019

Answer:

x = 7/5 or 1.4.

Step-by-step explanation:

1/2(n-1) - 3 = 3 - (2n + 3)

1/2 n - 1/2 - 3 = 3 - (2n + 3) Distribute the negative over the parentheses:

1/2 n - 1/2 - 3 =3 - 2n - 3 Bring terms in n to the left and numbers right:

1/2 n + 2n = 3 + 1/2 + 3 - 3

5/2 n = 7/2

n = 7/2 * 2/5

n = 14/10

n = 7/5 or 1.4.

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