2(n-2)=10+n-(6n-21)

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Solution for 2(n-2)=10+n-(6n-21) equation:


Simplifying
2(n + -2) = 10 + n + -1(6n + -21)

Reorder the terms:
2(-2 + n) = 10 + n + -1(6n + -21)
(-2 * 2 + n * 2) = 10 + n + -1(6n + -21)
(-4 + 2n) = 10 + n + -1(6n + -21)

Reorder the terms:
-4 + 2n = 10 + n + -1(-21 + 6n)
-4 + 2n = 10 + n + (-21 * -1 + 6n * -1)
-4 + 2n = 10 + n + (21 + -6n)

Reorder the terms:
-4 + 2n = 10 + 21 + n + -6n

Combine like terms: 10 + 21 = 31
-4 + 2n = 31 + n + -6n

Combine like terms: n + -6n = -5n
-4 + 2n = 31 + -5n

Solving
-4 + 2n = 31 + -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
-4 + 2n + 5n = 31 + -5n + 5n

Combine like terms: 2n + 5n = 7n
-4 + 7n = 31 + -5n + 5n

Combine like terms: -5n + 5n = 0
-4 + 7n = 31 + 0
-4 + 7n = 31

Add '4' to each side of the equation.
-4 + 4 + 7n = 31 + 4

Combine like terms: -4 + 4 = 0
0 + 7n = 31 + 4
7n = 31 + 4

Combine like terms: 31 + 4 = 35
7n = 35

Divide each side by '7'.
n = 5

Simplifying
n = 5

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