45=6(n-1)+12

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Solution for 45=6(n-1)+12 equation:


Simplifying
45 = 6(n + -1) + 12

Reorder the terms:
45 = 6(-1 + n) + 12
45 = (-1 * 6 + n * 6) + 12
45 = (-6 + 6n) + 12

Reorder the terms:
45 = -6 + 12 + 6n

Combine like terms: -6 + 12 = 6
45 = 6 + 6n

Solving
45 = 6 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
45 + -6n = 6 + 6n + -6n

Combine like terms: 6n + -6n = 0
45 + -6n = 6 + 0
45 + -6n = 6

Add '-45' to each side of the equation.
45 + -45 + -6n = 6 + -45

Combine like terms: 45 + -45 = 0
0 + -6n = 6 + -45
-6n = 6 + -45

Combine like terms: 6 + -45 = -39
-6n = -39

Divide each side by '-6'.
n = 6.5

Simplifying
n = 6.5

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