3-3n=7(n-1)

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Solution for 3-3n=7(n-1) equation:


Simplifying
3 + -3n = 7(n + -1)

Reorder the terms:
3 + -3n = 7(-1 + n)
3 + -3n = (-1 * 7 + n * 7)
3 + -3n = (-7 + 7n)

Solving
3 + -3n = -7 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
3 + -3n + -7n = -7 + 7n + -7n

Combine like terms: -3n + -7n = -10n
3 + -10n = -7 + 7n + -7n

Combine like terms: 7n + -7n = 0
3 + -10n = -7 + 0
3 + -10n = -7

Add '-3' to each side of the equation.
3 + -3 + -10n = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -10n = -7 + -3
-10n = -7 + -3

Combine like terms: -7 + -3 = -10
-10n = -10

Divide each side by '-10'.
n = 1

Simplifying
n = 1

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