3(n-6)-(4-7n)=9n

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Solution for 3(n-6)-(4-7n)=9n equation:


Simplifying
3(n + -6) + -1(4 + -7n) = 9n

Reorder the terms:
3(-6 + n) + -1(4 + -7n) = 9n
(-6 * 3 + n * 3) + -1(4 + -7n) = 9n
(-18 + 3n) + -1(4 + -7n) = 9n
-18 + 3n + (4 * -1 + -7n * -1) = 9n
-18 + 3n + (-4 + 7n) = 9n

Reorder the terms:
-18 + -4 + 3n + 7n = 9n

Combine like terms: -18 + -4 = -22
-22 + 3n + 7n = 9n

Combine like terms: 3n + 7n = 10n
-22 + 10n = 9n

Solving
-22 + 10n = 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-22 + 10n + -9n = 9n + -9n

Combine like terms: 10n + -9n = 1n
-22 + 1n = 9n + -9n

Combine like terms: 9n + -9n = 0
-22 + 1n = 0

Add '22' to each side of the equation.
-22 + 22 + 1n = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 1n = 0 + 22
1n = 0 + 22

Combine like terms: 0 + 22 = 22
1n = 22

Divide each side by '1'.
n = 22

Simplifying
n = 22

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