12=4.3(7-n)

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Solution for 12=4.3(7-n) equation: 


Simplifying
12 = 4.3(7 + -1n)
12 = (7 * 4.3 + -1n * 4.3)
12 = (30.1 + -4.3n)

Solving
12 = 30.1 + -4.3n

Solving for variable 'n'.

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

Add '4.3n' to each side of the equation.
12 + 4.3n = 30.1 + -4.3n + 4.3n

Combine like terms: -4.3n + 4.3n = 0.0
12 + 4.3n = 30.1 + 0.0
12 + 4.3n = 30.1

Add '-12' to each side of the equation.
12 + -12 + 4.3n = 30.1 + -12

Combine like terms: 12 + -12 = 0
0 + 4.3n = 30.1 + -12
4.3n = 30.1 + -12

Combine like terms: 30.1 + -12 = 18.1
4.3n = 18.1

Divide each side by '4.3'.
n = 4.209302326

Simplifying
n = 4.209302326

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