(n-9)7=3n+17

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Solution for (n-9)7=3n+17 equation:


Simplifying
(n + -9) * 7 = 3n + 17

Reorder the terms:
(-9 + n) * 7 = 3n + 17

Reorder the terms for easier multiplication:
7(-9 + n) = 3n + 17
(-9 * 7 + n * 7) = 3n + 17
(-63 + 7n) = 3n + 17

Reorder the terms:
-63 + 7n = 17 + 3n

Solving
-63 + 7n = 17 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-63 + 7n + -3n = 17 + 3n + -3n

Combine like terms: 7n + -3n = 4n
-63 + 4n = 17 + 3n + -3n

Combine like terms: 3n + -3n = 0
-63 + 4n = 17 + 0
-63 + 4n = 17

Add '63' to each side of the equation.
-63 + 63 + 4n = 17 + 63

Combine like terms: -63 + 63 = 0
0 + 4n = 17 + 63
4n = 17 + 63

Combine like terms: 17 + 63 = 80
4n = 80

Divide each side by '4'.
n = 20

Simplifying
n = 20

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