3n+12=5n+30

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Solution for 3n+12=5n+30 equation:


Simplifying
3n + 12 = 5n + 30

Reorder the terms:
12 + 3n = 5n + 30

Reorder the terms:
12 + 3n = 30 + 5n

Solving
12 + 3n = 30 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
12 + 3n + -5n = 30 + 5n + -5n

Combine like terms: 3n + -5n = -2n
12 + -2n = 30 + 5n + -5n

Combine like terms: 5n + -5n = 0
12 + -2n = 30 + 0
12 + -2n = 30

Add '-12' to each side of the equation.
12 + -12 + -2n = 30 + -12

Combine like terms: 12 + -12 = 0
0 + -2n = 30 + -12
-2n = 30 + -12

Combine like terms: 30 + -12 = 18
-2n = 18

Divide each side by '-2'.
n = -9

Simplifying
n = -9

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