-28=2(1+3n)-(3-3n)

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Solution for -28=2(1+3n)-(3-3n) equation:


Simplifying
-28 = 2(1 + 3n) + -1(3 + -3n)
-28 = (1 * 2 + 3n * 2) + -1(3 + -3n)
-28 = (2 + 6n) + -1(3 + -3n)
-28 = 2 + 6n + (3 * -1 + -3n * -1)
-28 = 2 + 6n + (-3 + 3n)

Reorder the terms:
-28 = 2 + -3 + 6n + 3n

Combine like terms: 2 + -3 = -1
-28 = -1 + 6n + 3n

Combine like terms: 6n + 3n = 9n
-28 = -1 + 9n

Solving
-28 = -1 + 9n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-9n' to each side of the equation.
-28 + -9n = -1 + 9n + -9n

Combine like terms: 9n + -9n = 0
-28 + -9n = -1 + 0
-28 + -9n = -1

Add '28' to each side of the equation.
-28 + 28 + -9n = -1 + 28

Combine like terms: -28 + 28 = 0
0 + -9n = -1 + 28
-9n = -1 + 28

Combine like terms: -1 + 28 = 27
-9n = 27

Divide each side by '-9'.
n = -3

Simplifying
n = -3

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