7(n-3)-(3-n)=

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


Simplifying
7(n + -3) + -1(3 + -1n) = 0

Reorder the terms:
7(-3 + n) + -1(3 + -1n) = 0
(-3 * 7 + n * 7) + -1(3 + -1n) = 0
(-21 + 7n) + -1(3 + -1n) = 0
-21 + 7n + (3 * -1 + -1n * -1) = 0
-21 + 7n + (-3 + 1n) = 0

Reorder the terms:
-21 + -3 + 7n + 1n = 0

Combine like terms: -21 + -3 = -24
-24 + 7n + 1n = 0

Combine like terms: 7n + 1n = 8n
-24 + 8n = 0

Solving
-24 + 8n = 0

Solving for variable 'n'.

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

Add '24' to each side of the equation.
-24 + 24 + 8n = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 8n = 0 + 24
8n = 0 + 24

Combine like terms: 0 + 24 = 24
8n = 24

Divide each side by '8'.
n = 3

Simplifying
n = 3

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