13=7(n+8)+4(-2+7n)

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Solution for 13=7(n+8)+4(-2+7n) equation:


Simplifying
13 = 7(n + 8) + 4(-2 + 7n)

Reorder the terms:
13 = 7(8 + n) + 4(-2 + 7n)
13 = (8 * 7 + n * 7) + 4(-2 + 7n)
13 = (56 + 7n) + 4(-2 + 7n)
13 = 56 + 7n + (-2 * 4 + 7n * 4)
13 = 56 + 7n + (-8 + 28n)

Reorder the terms:
13 = 56 + -8 + 7n + 28n

Combine like terms: 56 + -8 = 48
13 = 48 + 7n + 28n

Combine like terms: 7n + 28n = 35n
13 = 48 + 35n

Solving
13 = 48 + 35n

Solving for variable 'n'.

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

Add '-35n' to each side of the equation.
13 + -35n = 48 + 35n + -35n

Combine like terms: 35n + -35n = 0
13 + -35n = 48 + 0
13 + -35n = 48

Add '-13' to each side of the equation.
13 + -13 + -35n = 48 + -13

Combine like terms: 13 + -13 = 0
0 + -35n = 48 + -13
-35n = 48 + -13

Combine like terms: 48 + -13 = 35
-35n = 35

Divide each side by '-35'.
n = -1

Simplifying
n = -1

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