7n+15=3(4n+5)-5n

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Solution for 7n+15=3(4n+5)-5n equation: 


Simplifying
7n + 15 = 3(4n + 5) + -5n

Reorder the terms:
15 + 7n = 3(4n + 5) + -5n

Reorder the terms:
15 + 7n = 3(5 + 4n) + -5n
15 + 7n = (5 * 3 + 4n * 3) + -5n
15 + 7n = (15 + 12n) + -5n

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

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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