7n+7=3(n-3)

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


Simplifying
7n + 7 = 3(n + -3)

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

Reorder the terms:
7 + 7n = 3(-3 + n)
7 + 7n = (-3 * 3 + n * 3)
7 + 7n = (-9 + 3n)

Solving
7 + 7n = -9 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
7 + 7n + -3n = -9 + 3n + -3n

Combine like terms: 7n + -3n = 4n
7 + 4n = -9 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 + 4n = -9 + 0
7 + 4n = -9

Add '-7' to each side of the equation.
7 + -7 + 4n = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 4n = -9 + -7
4n = -9 + -7

Combine like terms: -9 + -7 = -16
4n = -16

Divide each side by '4'.
n = -4

Simplifying
n = -4

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