12=4.3x-2.1(n-4)

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Solution for 12=4.3x-2.1(n-4) equation:


Simplifying
12 = 4.3x + -2.1(n + -4)

Reorder the terms:
12 = 4.3x + -2.1(-4 + n)
12 = 4.3x + (-4 * -2.1 + n * -2.1)
12 = 4.3x + (8.4 + -2.1n)

Reorder the terms:
12 = 8.4 + -2.1n + 4.3x

Solving
12 = 8.4 + -2.1n + 4.3x

Solving for variable 'n'.

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

Add '2.1n' to each side of the equation.
12 + 2.1n = 8.4 + -2.1n + 2.1n + 4.3x

Combine like terms: -2.1n + 2.1n = 0.0
12 + 2.1n = 8.4 + 0.0 + 4.3x
12 + 2.1n = 8.4 + 4.3x

Add '-12' to each side of the equation.
12 + -12 + 2.1n = 8.4 + -12 + 4.3x

Combine like terms: 12 + -12 = 0
0 + 2.1n = 8.4 + -12 + 4.3x
2.1n = 8.4 + -12 + 4.3x

Combine like terms: 8.4 + -12 = -3.6
2.1n = -3.6 + 4.3x

Divide each side by '2.1'.
n = -1.714285714 + 2.047619048x

Simplifying
n = -1.714285714 + 2.047619048x

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