-7(1-3n)-1=18+8n

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Solution for -7(1-3n)-1=18+8n equation:


Simplifying
-7(1 + -3n) + -1 = 18 + 8n
(1 * -7 + -3n * -7) + -1 = 18 + 8n
(-7 + 21n) + -1 = 18 + 8n

Reorder the terms:
-7 + -1 + 21n = 18 + 8n

Combine like terms: -7 + -1 = -8
-8 + 21n = 18 + 8n

Solving
-8 + 21n = 18 + 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.
-8 + 21n + -8n = 18 + 8n + -8n

Combine like terms: 21n + -8n = 13n
-8 + 13n = 18 + 8n + -8n

Combine like terms: 8n + -8n = 0
-8 + 13n = 18 + 0
-8 + 13n = 18

Add '8' to each side of the equation.
-8 + 8 + 13n = 18 + 8

Combine like terms: -8 + 8 = 0
0 + 13n = 18 + 8
13n = 18 + 8

Combine like terms: 18 + 8 = 26
13n = 26

Divide each side by '13'.
n = 2

Simplifying
n = 2

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