4n+5+15=5n+7n

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Solution for 4n+5+15=5n+7n equation:


Simplifying
4n + 5 + 15 = 5n + 7n

Reorder the terms:
5 + 15 + 4n = 5n + 7n

Combine like terms: 5 + 15 = 20
20 + 4n = 5n + 7n

Combine like terms: 5n + 7n = 12n
20 + 4n = 12n

Solving
20 + 4n = 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
20 + 4n + -12n = 12n + -12n

Combine like terms: 4n + -12n = -8n
20 + -8n = 12n + -12n

Combine like terms: 12n + -12n = 0
20 + -8n = 0

Add '-20' to each side of the equation.
20 + -20 + -8n = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -8n = 0 + -20
-8n = 0 + -20

Combine like terms: 0 + -20 = -20
-8n = -20

Divide each side by '-8'.
n = 2.5

Simplifying
n = 2.5

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