12n-7=8n+15

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Solution for 12n-7=8n+15 equation:


Simplifying
12n + -7 = 8n + 15

Reorder the terms:
-7 + 12n = 8n + 15

Reorder the terms:
-7 + 12n = 15 + 8n

Solving
-7 + 12n = 15 + 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.
-7 + 12n + -8n = 15 + 8n + -8n

Combine like terms: 12n + -8n = 4n
-7 + 4n = 15 + 8n + -8n

Combine like terms: 8n + -8n = 0
-7 + 4n = 15 + 0
-7 + 4n = 15

Add '7' to each side of the equation.
-7 + 7 + 4n = 15 + 7

Combine like terms: -7 + 7 = 0
0 + 4n = 15 + 7
4n = 15 + 7

Combine like terms: 15 + 7 = 22
4n = 22

Divide each side by '4'.
n = 5.5

Simplifying
n = 5.5

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