7n-39=-6n+7(n-3)

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Solution for 7n-39=-6n+7(n-3) equation:


Simplifying
7n + -39 = -6n + 7(n + -3)

Reorder the terms:
-39 + 7n = -6n + 7(n + -3)

Reorder the terms:
-39 + 7n = -6n + 7(-3 + n)
-39 + 7n = -6n + (-3 * 7 + n * 7)
-39 + 7n = -6n + (-21 + 7n)

Reorder the terms:
-39 + 7n = -21 + -6n + 7n

Combine like terms: -6n + 7n = 1n
-39 + 7n = -21 + 1n

Solving
-39 + 7n = -21 + 1n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-39 + 7n + -1n = -21 + 1n + -1n

Combine like terms: 7n + -1n = 6n
-39 + 6n = -21 + 1n + -1n

Combine like terms: 1n + -1n = 0
-39 + 6n = -21 + 0
-39 + 6n = -21

Add '39' to each side of the equation.
-39 + 39 + 6n = -21 + 39

Combine like terms: -39 + 39 = 0
0 + 6n = -21 + 39
6n = -21 + 39

Combine like terms: -21 + 39 = 18
6n = 18

Divide each side by '6'.
n = 3

Simplifying
n = 3

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