-7(n-7)-4n=28-4n

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Solution for -7(n-7)-4n=28-4n equation:


Simplifying
-7(n + -7) + -4n = 28 + -4n

Reorder the terms:
-7(-7 + n) + -4n = 28 + -4n
(-7 * -7 + n * -7) + -4n = 28 + -4n
(49 + -7n) + -4n = 28 + -4n

Combine like terms: -7n + -4n = -11n
49 + -11n = 28 + -4n

Solving
49 + -11n = 28 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
49 + -11n + 4n = 28 + -4n + 4n

Combine like terms: -11n + 4n = -7n
49 + -7n = 28 + -4n + 4n

Combine like terms: -4n + 4n = 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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