3(5n+5)=105

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Solution for 3(5n+5)=105 equation: 


Simplifying
3(5n + 5) = 105

Reorder the terms:
3(5 + 5n) = 105
(5 * 3 + 5n * 3) = 105
(15 + 15n) = 105

Solving
15 + 15n = 105

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + 15n = 105 + -15

Combine like terms: 15 + -15 = 0
0 + 15n = 105 + -15
15n = 105 + -15

Combine like terms: 105 + -15 = 90
15n = 90

Divide each side by '15'.
n = 6

Simplifying
n = 6

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