3n-7=-1(7-7n)

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Solution for 3n-7=-1(7-7n) equation:


Simplifying
3n + -7 = -1(7 + -7n)

Reorder the terms:
-7 + 3n = -1(7 + -7n)
-7 + 3n = (7 * -1 + -7n * -1)
-7 + 3n = (-7 + 7n)

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

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

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

Solving
3n = 7n

Solving for variable 'n'.

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

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

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

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

Divide each side by '-4'.
n = 0

Simplifying
n = 0

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