12+7n=8(1+n)

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Solution for 12+7n=8(1+n) equation:


Simplifying
12 + 7n = 8(1 + n)
12 + 7n = (1 * 8 + n * 8)
12 + 7n = (8 + 8n)

Solving
12 + 7n = 8 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
12 + 7n + -8n = 8 + 8n + -8n

Combine like terms: 7n + -8n = -1n
12 + -1n = 8 + 8n + -8n

Combine like terms: 8n + -8n = 0
12 + -1n = 8 + 0
12 + -1n = 8

Add '-12' to each side of the equation.
12 + -12 + -1n = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -1n = 8 + -12
-1n = 8 + -12

Combine like terms: 8 + -12 = -4
-1n = -4

Divide each side by '-1'.
n = 4

Simplifying
n = 4

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