-1=7+(n-1)3

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


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

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

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

Combine like terms: 7 + -3 = 4
-1 = 4 + 3n

Solving
-1 = 4 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-1 + -3n = 4 + 3n + -3n

Combine like terms: 3n + -3n = 0
-1 + -3n = 4 + 0
-1 + -3n = 4

Add '1' to each side of the equation.
-1 + 1 + -3n = 4 + 1

Combine like terms: -1 + 1 = 0
0 + -3n = 4 + 1
-3n = 4 + 1

Combine like terms: 4 + 1 = 5
-3n = 5

Divide each side by '-3'.
n = -1.666666667

Simplifying
n = -1.666666667

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