-105=7(1-2n)

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Solution for -105=7(1-2n) equation:


Simplifying
-105 = 7(1 + -2n)
-105 = (1 * 7 + -2n * 7)
-105 = (7 + -14n)

Solving
-105 = 7 + -14n

Solving for variable 'n'.

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

Add '14n' to each side of the equation.
-105 + 14n = 7 + -14n + 14n

Combine like terms: -14n + 14n = 0
-105 + 14n = 7 + 0
-105 + 14n = 7

Add '105' to each side of the equation.
-105 + 105 + 14n = 7 + 105

Combine like terms: -105 + 105 = 0
0 + 14n = 7 + 105
14n = 7 + 105

Combine like terms: 7 + 105 = 112
14n = 112

Divide each side by '14'.
n = 8

Simplifying
n = 8

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