12n+18=20n-4

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Solution for 12n+18=20n-4 equation:


Simplifying
12n + 18 = 20n + -4

Reorder the terms:
18 + 12n = 20n + -4

Reorder the terms:
18 + 12n = -4 + 20n

Solving
18 + 12n = -4 + 20n

Solving for variable 'n'.

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

Add '-20n' to each side of the equation.
18 + 12n + -20n = -4 + 20n + -20n

Combine like terms: 12n + -20n = -8n
18 + -8n = -4 + 20n + -20n

Combine like terms: 20n + -20n = 0
18 + -8n = -4 + 0
18 + -8n = -4

Add '-18' to each side of the equation.
18 + -18 + -8n = -4 + -18

Combine like terms: 18 + -18 = 0
0 + -8n = -4 + -18
-8n = -4 + -18

Combine like terms: -4 + -18 = -22
-8n = -22

Divide each side by '-8'.
n = 2.75

Simplifying
n = 2.75

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