-7(-1+11n)=-9(9n-7)

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Solution for -7(-1+11n)=-9(9n-7) equation:


Simplifying
-7(-1 + 11n) = -9(9n + -7)
(-1 * -7 + 11n * -7) = -9(9n + -7)
(7 + -77n) = -9(9n + -7)

Reorder the terms:
7 + -77n = -9(-7 + 9n)
7 + -77n = (-7 * -9 + 9n * -9)
7 + -77n = (63 + -81n)

Solving
7 + -77n = 63 + -81n

Solving for variable 'n'.

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

Add '81n' to each side of the equation.
7 + -77n + 81n = 63 + -81n + 81n

Combine like terms: -77n + 81n = 4n
7 + 4n = 63 + -81n + 81n

Combine like terms: -81n + 81n = 0
7 + 4n = 63 + 0
7 + 4n = 63

Add '-7' to each side of the equation.
7 + -7 + 4n = 63 + -7

Combine like terms: 7 + -7 = 0
0 + 4n = 63 + -7
4n = 63 + -7

Combine like terms: 63 + -7 = 56
4n = 56

Divide each side by '4'.
n = 14

Simplifying
n = 14

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