6n-2(n+1)=-9

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Solution for 6n-2(n+1)=-9 equation:


Simplifying
6n + -2(n + 1) = -9

Reorder the terms:
6n + -2(1 + n) = -9
6n + (1 * -2 + n * -2) = -9
6n + (-2 + -2n) = -9

Reorder the terms:
-2 + 6n + -2n = -9

Combine like terms: 6n + -2n = 4n
-2 + 4n = -9

Solving
-2 + 4n = -9

Solving for variable 'n'.

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

Add '2' to each side of the equation.
-2 + 2 + 4n = -9 + 2

Combine like terms: -2 + 2 = 0
0 + 4n = -9 + 2
4n = -9 + 2

Combine like terms: -9 + 2 = -7
4n = -7

Divide each side by '4'.
n = -1.75

Simplifying
n = -1.75

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