2n-2(4n+5)=-(n-3)-8

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Solution for 2n-2(4n+5)=-(n-3)-8 equation:


Simplifying
2n + -2(4n + 5) = -1(n + -3) + -8

Reorder the terms:
2n + -2(5 + 4n) = -1(n + -3) + -8
2n + (5 * -2 + 4n * -2) = -1(n + -3) + -8
2n + (-10 + -8n) = -1(n + -3) + -8

Reorder the terms:
-10 + 2n + -8n = -1(n + -3) + -8

Combine like terms: 2n + -8n = -6n
-10 + -6n = -1(n + -3) + -8

Reorder the terms:
-10 + -6n = -1(-3 + n) + -8
-10 + -6n = (-3 * -1 + n * -1) + -8
-10 + -6n = (3 + -1n) + -8

Reorder the terms:
-10 + -6n = 3 + -8 + -1n

Combine like terms: 3 + -8 = -5
-10 + -6n = -5 + -1n

Solving
-10 + -6n = -5 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-10 + -6n + n = -5 + -1n + n

Combine like terms: -6n + n = -5n
-10 + -5n = -5 + -1n + n

Combine like terms: -1n + n = 0
-10 + -5n = -5 + 0
-10 + -5n = -5

Add '10' to each side of the equation.
-10 + 10 + -5n = -5 + 10

Combine like terms: -10 + 10 = 0
0 + -5n = -5 + 10
-5n = -5 + 10

Combine like terms: -5 + 10 = 5
-5n = 5

Divide each side by '-5'.
n = -1

Simplifying
n = -1

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