42=12+6(n+3)

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Solution for 42=12+6(n+3) equation:


Simplifying
42 = 12 + 6(n + 3)

Reorder the terms:
42 = 12 + 6(3 + n)
42 = 12 + (3 * 6 + n * 6)
42 = 12 + (18 + 6n)

Combine like terms: 12 + 18 = 30
42 = 30 + 6n

Solving
42 = 30 + 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.
42 + -6n = 30 + 6n + -6n

Combine like terms: 6n + -6n = 0
42 + -6n = 30 + 0
42 + -6n = 30

Add '-42' to each side of the equation.
42 + -42 + -6n = 30 + -42

Combine like terms: 42 + -42 = 0
0 + -6n = 30 + -42
-6n = 30 + -42

Combine like terms: 30 + -42 = -12
-6n = -12

Divide each side by '-6'.
n = 2

Simplifying
n = 2

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