3(10+n)=8n

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Solution for 3(10+n)=8n equation:


Simplifying
3(10 + n) = 8n
(10 * 3 + n * 3) = 8n
(30 + 3n) = 8n

Solving
30 + 3n = 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
30 + 3n + -8n = 8n + -8n

Combine like terms: 3n + -8n = -5n
30 + -5n = 8n + -8n

Combine like terms: 8n + -8n = 0
30 + -5n = 0

Add '-30' to each side of the equation.
30 + -30 + -5n = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -5n = 0 + -30
-5n = 0 + -30

Combine like terms: 0 + -30 = -30
-5n = -30

Divide each side by '-5'.
n = 6

Simplifying
n = 6

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