15=7n+8n

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Solution for 15=7n+8n equation:


Simplifying
15 = 7n + 8n

Combine like terms: 7n + 8n = 15n
15 = 15n

Solving
15 = 15n

Solving for variable 'n'.

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

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

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

Add '-15' to each side of the equation.
15 + -15 + -15n = 0 + -15

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

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

Divide each side by '-15'.
n = 1

Simplifying
n = 1

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