-2n+4(7-n)=2(4n+42)

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Solution for -2n+4(7-n)=2(4n+42) equation:


Simplifying
-2n + 4(7 + -1n) = 2(4n + 42)
-2n + (7 * 4 + -1n * 4) = 2(4n + 42)
-2n + (28 + -4n) = 2(4n + 42)

Reorder the terms:
28 + -2n + -4n = 2(4n + 42)

Combine like terms: -2n + -4n = -6n
28 + -6n = 2(4n + 42)

Reorder the terms:
28 + -6n = 2(42 + 4n)
28 + -6n = (42 * 2 + 4n * 2)
28 + -6n = (84 + 8n)

Solving
28 + -6n = 84 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
28 + -6n + -8n = 84 + 8n + -8n

Combine like terms: -6n + -8n = -14n
28 + -14n = 84 + 8n + -8n

Combine like terms: 8n + -8n = 0
28 + -14n = 84 + 0
28 + -14n = 84

Add '-28' to each side of the equation.
28 + -28 + -14n = 84 + -28

Combine like terms: 28 + -28 = 0
0 + -14n = 84 + -28
-14n = 84 + -28

Combine like terms: 84 + -28 = 56
-14n = 56

Divide each side by '-14'.
n = -4

Simplifying
n = -4

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