n-3(n-5)=30

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Solution for n-3(n-5)=30 equation: 


Simplifying
n + -3(n + -5) = 30

Reorder the terms:
n + -3(-5 + n) = 30
n + (-5 * -3 + n * -3) = 30
n + (15 + -3n) = 30

Reorder the terms:
15 + n + -3n = 30

Combine like terms: n + -3n = -2n
15 + -2n = 30

Solving
15 + -2n = 30

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 + -2n = 30 + -15

Combine like terms: 15 + -15 = 0
0 + -2n = 30 + -15
-2n = 30 + -15

Combine like terms: 30 + -15 = 15
-2n = 15

Divide each side by '-2'.
n = -7.5

Simplifying
n = -7.5

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