6-3(2n+1)=15

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Solution for 6-3(2n+1)=15 equation: 


Simplifying
6 + -3(2n + 1) = 15

Reorder the terms:
6 + -3(1 + 2n) = 15
6 + (1 * -3 + 2n * -3) = 15
6 + (-3 + -6n) = 15

Combine like terms: 6 + -3 = 3
3 + -6n = 15

Solving
3 + -6n = 15

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + -6n = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -6n = 15 + -3
-6n = 15 + -3

Combine like terms: 15 + -3 = 12
-6n = 12

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

Simplifying
n = -2

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