7=4(n-7)+5(7n+7)

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Solution for 7=4(n-7)+5(7n+7) equation:


Simplifying
7 = 4(n + -7) + 5(7n + 7)

Reorder the terms:
7 = 4(-7 + n) + 5(7n + 7)
7 = (-7 * 4 + n * 4) + 5(7n + 7)
7 = (-28 + 4n) + 5(7n + 7)

Reorder the terms:
7 = -28 + 4n + 5(7 + 7n)
7 = -28 + 4n + (7 * 5 + 7n * 5)
7 = -28 + 4n + (35 + 35n)

Reorder the terms:
7 = -28 + 35 + 4n + 35n

Combine like terms: -28 + 35 = 7
7 = 7 + 4n + 35n

Combine like terms: 4n + 35n = 39n
7 = 7 + 39n

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

Combine like terms: 7 + -7 = 0
0 = 7 + -7 + 39n

Combine like terms: 7 + -7 = 0
0 = 0 + 39n
0 = 39n

Solving
0 = 39n

Solving for variable 'n'.

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

Add '-39n' to each side of the equation.
0 + -39n = 39n + -39n
Remove the zero:
-39n = 39n + -39n

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

Divide each side by '-39'.
n = 0

Simplifying
n = 0

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