7n+7=5n-15

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


Simplifying
7n + 7 = 5n + -15

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

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

Solving
7 + 7n = -15 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
7 + 7n + -5n = -15 + 5n + -5n

Combine like terms: 7n + -5n = 2n
7 + 2n = -15 + 5n + -5n

Combine like terms: 5n + -5n = 0
7 + 2n = -15 + 0
7 + 2n = -15

Add '-7' to each side of the equation.
7 + -7 + 2n = -15 + -7

Combine like terms: 7 + -7 = 0
0 + 2n = -15 + -7
2n = -15 + -7

Combine like terms: -15 + -7 = -22
2n = -22

Divide each side by '2'.
n = -11

Simplifying
n = -11

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