-54=3(-7-2n)-3(n+2)

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Solution for -54=3(-7-2n)-3(n+2) equation:


Simplifying
-54 = 3(-7 + -2n) + -3(n + 2)
-54 = (-7 * 3 + -2n * 3) + -3(n + 2)
-54 = (-21 + -6n) + -3(n + 2)

Reorder the terms:
-54 = -21 + -6n + -3(2 + n)
-54 = -21 + -6n + (2 * -3 + n * -3)
-54 = -21 + -6n + (-6 + -3n)

Reorder the terms:
-54 = -21 + -6 + -6n + -3n

Combine like terms: -21 + -6 = -27
-54 = -27 + -6n + -3n

Combine like terms: -6n + -3n = -9n
-54 = -27 + -9n

Solving
-54 = -27 + -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.
-54 + 9n = -27 + -9n + 9n

Combine like terms: -9n + 9n = 0
-54 + 9n = -27 + 0
-54 + 9n = -27

Add '54' to each side of the equation.
-54 + 54 + 9n = -27 + 54

Combine like terms: -54 + 54 = 0
0 + 9n = -27 + 54
9n = -27 + 54

Combine like terms: -27 + 54 = 27
9n = 27

Divide each side by '9'.
n = 3

Simplifying
n = 3

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