-5n+7(7+2n)=2n+28

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Solution for -5n+7(7+2n)=2n+28 equation:


Simplifying
-5n + 7(7 + 2n) = 2n + 28
-5n + (7 * 7 + 2n * 7) = 2n + 28
-5n + (49 + 14n) = 2n + 28

Reorder the terms:
49 + -5n + 14n = 2n + 28

Combine like terms: -5n + 14n = 9n
49 + 9n = 2n + 28

Reorder the terms:
49 + 9n = 28 + 2n

Solving
49 + 9n = 28 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
49 + 9n + -2n = 28 + 2n + -2n

Combine like terms: 9n + -2n = 7n
49 + 7n = 28 + 2n + -2n

Combine like terms: 2n + -2n = 0
49 + 7n = 28 + 0
49 + 7n = 28

Add '-49' to each side of the equation.
49 + -49 + 7n = 28 + -49

Combine like terms: 49 + -49 = 0
0 + 7n = 28 + -49
7n = 28 + -49

Combine like terms: 28 + -49 = -21
7n = -21

Divide each side by '7'.
n = -3

Simplifying
n = -3

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