3(2n-1)=45

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Solution for 3(2n-1)=45 equation: 


Simplifying
3(2n + -1) = 45

Reorder the terms:
3(-1 + 2n) = 45
(-1 * 3 + 2n * 3) = 45
(-3 + 6n) = 45

Solving
-3 + 6n = 45

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + 6n = 45 + 3

Combine like terms: -3 + 3 = 0
0 + 6n = 45 + 3
6n = 45 + 3

Combine like terms: 45 + 3 = 48
6n = 48

Divide each side by '6'.
n = 8

Simplifying
n = 8

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