9=3(-4+n)

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Solution for 9=3(-4+n) equation:


Simplifying
9 = 3(-4 + n)
9 = (-4 * 3 + n * 3)
9 = (-12 + 3n)

Solving
9 = -12 + 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.
9 + -3n = -12 + 3n + -3n

Combine like terms: 3n + -3n = 0
9 + -3n = -12 + 0
9 + -3n = -12

Add '-9' to each side of the equation.
9 + -9 + -3n = -12 + -9

Combine like terms: 9 + -9 = 0
0 + -3n = -12 + -9
-3n = -12 + -9

Combine like terms: -12 + -9 = -21
-3n = -21

Divide each side by '-3'.
n = 7

Simplifying
n = 7

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