8n+15=-7+7(n-7)

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


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

Reorder the terms:
15 + 8n = -7 + 7(n + -7)

Reorder the terms:
15 + 8n = -7 + 7(-7 + n)
15 + 8n = -7 + (-7 * 7 + n * 7)
15 + 8n = -7 + (-49 + 7n)

Combine like terms: -7 + -49 = -56
15 + 8n = -56 + 7n

Solving
15 + 8n = -56 + 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 = -56 + 7n + -7n

Combine like terms: 8n + -7n = 1n
15 + 1n = -56 + 7n + -7n

Combine like terms: 7n + -7n = 0
15 + 1n = -56 + 0
15 + 1n = -56

Add '-15' to each side of the equation.
15 + -15 + 1n = -56 + -15

Combine like terms: 15 + -15 = 0
0 + 1n = -56 + -15
1n = -56 + -15

Combine like terms: -56 + -15 = -71
1n = -71

Divide each side by '1'.
n = -71

Simplifying
n = -71

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