3(n-4)-(2-5n)=7n

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Solution for 3(n-4)-(2-5n)=7n equation:


Simplifying
3(n + -4) + -1(2 + -5n) = 7n

Reorder the terms:
3(-4 + n) + -1(2 + -5n) = 7n
(-4 * 3 + n * 3) + -1(2 + -5n) = 7n
(-12 + 3n) + -1(2 + -5n) = 7n
-12 + 3n + (2 * -1 + -5n * -1) = 7n
-12 + 3n + (-2 + 5n) = 7n

Reorder the terms:
-12 + -2 + 3n + 5n = 7n

Combine like terms: -12 + -2 = -14
-14 + 3n + 5n = 7n

Combine like terms: 3n + 5n = 8n
-14 + 8n = 7n

Solving
-14 + 8n = 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.
-14 + 8n + -7n = 7n + -7n

Combine like terms: 8n + -7n = 1n
-14 + 1n = 7n + -7n

Combine like terms: 7n + -7n = 0
-14 + 1n = 0

Add '14' to each side of the equation.
-14 + 14 + 1n = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 1n = 0 + 14
1n = 0 + 14

Combine like terms: 0 + 14 = 14
1n = 14

Divide each side by '1'.
n = 14

Simplifying
n = 14

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