-9(-5n-3)=7(n-7)

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Solution for -9(-5n-3)=7(n-7) equation:


Simplifying
-9(-5n + -3) = 7(n + -7)

Reorder the terms:
-9(-3 + -5n) = 7(n + -7)
(-3 * -9 + -5n * -9) = 7(n + -7)
(27 + 45n) = 7(n + -7)

Reorder the terms:
27 + 45n = 7(-7 + n)
27 + 45n = (-7 * 7 + n * 7)
27 + 45n = (-49 + 7n)

Solving
27 + 45n = -49 + 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.
27 + 45n + -7n = -49 + 7n + -7n

Combine like terms: 45n + -7n = 38n
27 + 38n = -49 + 7n + -7n

Combine like terms: 7n + -7n = 0
27 + 38n = -49 + 0
27 + 38n = -49

Add '-27' to each side of the equation.
27 + -27 + 38n = -49 + -27

Combine like terms: 27 + -27 = 0
0 + 38n = -49 + -27
38n = -49 + -27

Combine like terms: -49 + -27 = -76
38n = -76

Divide each side by '38'.
n = -2

Simplifying
n = -2

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