7=-1+(n-1)3

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


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

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

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

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

Solving
7 = -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.
7 + -3n = -4 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 + -3n = -4 + 0
7 + -3n = -4

Add '-7' to each side of the equation.
7 + -7 + -3n = -4 + -7

Combine like terms: 7 + -7 = 0
0 + -3n = -4 + -7
-3n = -4 + -7

Combine like terms: -4 + -7 = -11
-3n = -11

Divide each side by '-3'.
n = 3.666666667

Simplifying
n = 3.666666667

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