3(n-5)+9=30

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Solution for 3(n-5)+9=30 equation:


Simplifying
3(n + -5) + 9 = 30

Reorder the terms:
3(-5 + n) + 9 = 30
(-5 * 3 + n * 3) + 9 = 30
(-15 + 3n) + 9 = 30

Reorder the terms:
-15 + 9 + 3n = 30

Combine like terms: -15 + 9 = -6
-6 + 3n = 30

Solving
-6 + 3n = 30

Solving for variable 'n'.

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

Add '6' to each side of the equation.
-6 + 6 + 3n = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 3n = 30 + 6
3n = 30 + 6

Combine like terms: 30 + 6 = 36
3n = 36

Divide each side by '3'.
n = 12

Simplifying
n = 12

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