4n-7(4n-7)=217

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Solution for 4n-7(4n-7)=217 equation:


Simplifying
4n + -7(4n + -7) = 217

Reorder the terms:
4n + -7(-7 + 4n) = 217
4n + (-7 * -7 + 4n * -7) = 217
4n + (49 + -28n) = 217

Reorder the terms:
49 + 4n + -28n = 217

Combine like terms: 4n + -28n = -24n
49 + -24n = 217

Solving
49 + -24n = 217

Solving for variable 'n'.

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

Add '-49' to each side of the equation.
49 + -49 + -24n = 217 + -49

Combine like terms: 49 + -49 = 0
0 + -24n = 217 + -49
-24n = 217 + -49

Combine like terms: 217 + -49 = 168
-24n = 168

Divide each side by '-24'.
n = -7

Simplifying
n = -7

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