-3(n-7)+3(n-8)=n-3+8+n

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Solution for -3(n-7)+3(n-8)=n-3+8+n equation:


Simplifying
-3(n + -7) + 3(n + -8) = n + -3 + 8 + n

Reorder the terms:
-3(-7 + n) + 3(n + -8) = n + -3 + 8 + n
(-7 * -3 + n * -3) + 3(n + -8) = n + -3 + 8 + n
(21 + -3n) + 3(n + -8) = n + -3 + 8 + n

Reorder the terms:
21 + -3n + 3(-8 + n) = n + -3 + 8 + n
21 + -3n + (-8 * 3 + n * 3) = n + -3 + 8 + n
21 + -3n + (-24 + 3n) = n + -3 + 8 + n

Reorder the terms:
21 + -24 + -3n + 3n = n + -3 + 8 + n

Combine like terms: 21 + -24 = -3
-3 + -3n + 3n = n + -3 + 8 + n

Combine like terms: -3n + 3n = 0
-3 + 0 = n + -3 + 8 + n
-3 = n + -3 + 8 + n

Reorder the terms:
-3 = -3 + 8 + n + n

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

Combine like terms: n + n = 2n
-3 = 5 + 2n

Solving
-3 = 5 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-3 + -2n = 5 + 2n + -2n

Combine like terms: 2n + -2n = 0
-3 + -2n = 5 + 0
-3 + -2n = 5

Add '3' to each side of the equation.
-3 + 3 + -2n = 5 + 3

Combine like terms: -3 + 3 = 0
0 + -2n = 5 + 3
-2n = 5 + 3

Combine like terms: 5 + 3 = 8
-2n = 8

Divide each side by '-2'.
n = -4

Simplifying
n = -4

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