8n+7=-4n+31

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Solution for 8n+7=-4n+31 equation:


Simplifying
8n + 7 = -4n + 31

Reorder the terms:
7 + 8n = -4n + 31

Reorder the terms:
7 + 8n = 31 + -4n

Solving
7 + 8n = 31 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
7 + 8n + 4n = 31 + -4n + 4n

Combine like terms: 8n + 4n = 12n
7 + 12n = 31 + -4n + 4n

Combine like terms: -4n + 4n = 0
7 + 12n = 31 + 0
7 + 12n = 31

Add '-7' to each side of the equation.
7 + -7 + 12n = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 12n = 31 + -7
12n = 31 + -7

Combine like terms: 31 + -7 = 24
12n = 24

Divide each side by '12'.
n = 2

Simplifying
n = 2

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