5n-2(n+3)=8n-31

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Solution for 5n-2(n+3)=8n-31 equation:


Simplifying
5n + -2(n + 3) = 8n + -31

Reorder the terms:
5n + -2(3 + n) = 8n + -31
5n + (3 * -2 + n * -2) = 8n + -31
5n + (-6 + -2n) = 8n + -31

Reorder the terms:
-6 + 5n + -2n = 8n + -31

Combine like terms: 5n + -2n = 3n
-6 + 3n = 8n + -31

Reorder the terms:
-6 + 3n = -31 + 8n

Solving
-6 + 3n = -31 + 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.
-6 + 3n + -8n = -31 + 8n + -8n

Combine like terms: 3n + -8n = -5n
-6 + -5n = -31 + 8n + -8n

Combine like terms: 8n + -8n = 0
-6 + -5n = -31 + 0
-6 + -5n = -31

Add '6' to each side of the equation.
-6 + 6 + -5n = -31 + 6

Combine like terms: -6 + 6 = 0
0 + -5n = -31 + 6
-5n = -31 + 6

Combine like terms: -31 + 6 = -25
-5n = -25

Divide each side by '-5'.
n = 5

Simplifying
n = 5

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