13=-7-12+8n

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Solution for 13=-7-12+8n equation:


Simplifying
13 = -7 + -12 + 8n

Combine like terms: -7 + -12 = -19
13 = -19 + 8n

Solving
13 = -19 + 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.
13 + -8n = -19 + 8n + -8n

Combine like terms: 8n + -8n = 0
13 + -8n = -19 + 0
13 + -8n = -19

Add '-13' to each side of the equation.
13 + -13 + -8n = -19 + -13

Combine like terms: 13 + -13 = 0
0 + -8n = -19 + -13
-8n = -19 + -13

Combine like terms: -19 + -13 = -32
-8n = -32

Divide each side by '-8'.
n = 4

Simplifying
n = 4

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