2n+7-7n=n+3+2n+12

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Solution for 2n+7-7n=n+3+2n+12 equation:


Simplifying
2n + 7 + -7n = n + 3 + 2n + 12

Reorder the terms:
7 + 2n + -7n = n + 3 + 2n + 12

Combine like terms: 2n + -7n = -5n
7 + -5n = n + 3 + 2n + 12

Reorder the terms:
7 + -5n = 3 + 12 + n + 2n

Combine like terms: 3 + 12 = 15
7 + -5n = 15 + n + 2n

Combine like terms: n + 2n = 3n
7 + -5n = 15 + 3n

Solving
7 + -5n = 15 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
7 + -5n + -3n = 15 + 3n + -3n

Combine like terms: -5n + -3n = -8n
7 + -8n = 15 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 + -8n = 15 + 0
7 + -8n = 15

Add '-7' to each side of the equation.
7 + -7 + -8n = 15 + -7

Combine like terms: 7 + -7 = 0
0 + -8n = 15 + -7
-8n = 15 + -7

Combine like terms: 15 + -7 = 8
-8n = 8

Divide each side by '-8'.
n = -1

Simplifying
n = -1

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