7(n-3)=10-n

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Solution for 7(n-3)=10-n equation:


Simplifying
7(n + -3) = 10 + -1n

Reorder the terms:
7(-3 + n) = 10 + -1n
(-3 * 7 + n * 7) = 10 + -1n
(-21 + 7n) = 10 + -1n

Solving
-21 + 7n = 10 + -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.
-21 + 7n + n = 10 + -1n + n

Combine like terms: 7n + n = 8n
-21 + 8n = 10 + -1n + n

Combine like terms: -1n + n = 0
-21 + 8n = 10 + 0
-21 + 8n = 10

Add '21' to each side of the equation.
-21 + 21 + 8n = 10 + 21

Combine like terms: -21 + 21 = 0
0 + 8n = 10 + 21
8n = 10 + 21

Combine like terms: 10 + 21 = 31
8n = 31

Divide each side by '8'.
n = 3.875

Simplifying
n = 3.875

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