2 Answers

Adrien Lamothe · Answer 1 · 2017-10-13T11:29:41+0000

Since -28 doesn't contain a variable to solve for, move it to the right side of the equation by adding 28 to both sides.
n = 28.

Jenner La Fave · Answer 2 · 2017-10-15T17:26:50+0000

Change the addition to a subtraction sign.

Like → n - 28 = 0 (The '28' that's behind the negative sign is a negative 28.. By the way)

Then add a positive '28' to both sides.

So, that means 'n=28'

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