12=1-7n+4

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Solution for 12=1-7n+4 equation:


Simplifying
12 = 1 + -7n + 4

Reorder the terms:
12 = 1 + 4 + -7n

Combine like terms: 1 + 4 = 5
12 = 5 + -7n

Solving
12 = 5 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
12 + 7n = 5 + -7n + 7n

Combine like terms: -7n + 7n = 0
12 + 7n = 5 + 0
12 + 7n = 5

Add '-12' to each side of the equation.
12 + -12 + 7n = 5 + -12

Combine like terms: 12 + -12 = 0
0 + 7n = 5 + -12
7n = 5 + -12

Combine like terms: 5 + -12 = -7
7n = -7

Divide each side by '7'.
n = -1

Simplifying
n = -1

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