15+8n=7(n+3)

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Solution for 15+8n=7(n+3) equation: 


Simplifying
15 + 8n = 7(n + 3)

Reorder the terms:
15 + 8n = 7(3 + n)
15 + 8n = (3 * 7 + n * 7)
15 + 8n = (21 + 7n)

Solving
15 + 8n = 21 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
15 + 8n + -7n = 21 + 7n + -7n

Combine like terms: 8n + -7n = 1n
15 + 1n = 21 + 7n + -7n

Combine like terms: 7n + -7n = 0
15 + 1n = 21 + 0
15 + 1n = 21

Add '-15' to each side of the equation.
15 + -15 + 1n = 21 + -15

Combine like terms: 15 + -15 = 0
0 + 1n = 21 + -15
1n = 21 + -15

Combine like terms: 21 + -15 = 6
1n = 6

Divide each side by '1'.
n = 6

Simplifying
n = 6

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