3n-18=6n-30

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Solution for 3n-18=6n-30 equation:


Simplifying
3n + -18 = 6n + -30

Reorder the terms:
-18 + 3n = 6n + -30

Reorder the terms:
-18 + 3n = -30 + 6n

Solving
-18 + 3n = -30 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
-18 + 3n + -6n = -30 + 6n + -6n

Combine like terms: 3n + -6n = -3n
-18 + -3n = -30 + 6n + -6n

Combine like terms: 6n + -6n = 0
-18 + -3n = -30 + 0
-18 + -3n = -30

Add '18' to each side of the equation.
-18 + 18 + -3n = -30 + 18

Combine like terms: -18 + 18 = 0
0 + -3n = -30 + 18
-3n = -30 + 18

Combine like terms: -30 + 18 = -12
-3n = -12

Divide each side by '-3'.
n = 4

Simplifying
n = 4

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