7(n-5)-(4-3n)=9n

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Solution for 7(n-5)-(4-3n)=9n equation:


Simplifying
7(n + -5) + -1(4 + -3n) = 9n

Reorder the terms:
7(-5 + n) + -1(4 + -3n) = 9n
(-5 * 7 + n * 7) + -1(4 + -3n) = 9n
(-35 + 7n) + -1(4 + -3n) = 9n
-35 + 7n + (4 * -1 + -3n * -1) = 9n
-35 + 7n + (-4 + 3n) = 9n

Reorder the terms:
-35 + -4 + 7n + 3n = 9n

Combine like terms: -35 + -4 = -39
-39 + 7n + 3n = 9n

Combine like terms: 7n + 3n = 10n
-39 + 10n = 9n

Solving
-39 + 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.
-39 + 10n + -9n = 9n + -9n

Combine like terms: 10n + -9n = 1n
-39 + 1n = 9n + -9n

Combine like terms: 9n + -9n = 0
-39 + 1n = 0

Add '39' to each side of the equation.
-39 + 39 + 1n = 0 + 39

Combine like terms: -39 + 39 = 0
0 + 1n = 0 + 39
1n = 0 + 39

Combine like terms: 0 + 39 = 39
1n = 39

Divide each side by '1'.
n = 39

Simplifying
n = 39

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