n=3x-21(x+1)

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Solution for n=3x-21(x+1) equation: 


Simplifying
n = 3x + -21(x + 1)

Reorder the terms:
n = 3x + -21(1 + x)
n = 3x + (1 * -21 + x * -21)
n = 3x + (-21 + -21x)

Reorder the terms:
n = -21 + 3x + -21x

Combine like terms: 3x + -21x = -18x
n = -21 + -18x

Solving
n = -21 + -18x

Solving for variable 'n'.

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

Simplifying
n = -21 + -18x

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