3n-18=7n+28

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Solution for 3n-18=7n+28 equation:


Simplifying
3n + -18 = 7n + 28

Reorder the terms:
-18 + 3n = 7n + 28

Reorder the terms:
-18 + 3n = 28 + 7n

Solving
-18 + 3n = 28 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-18 + 3n + -7n = 28 + 7n + -7n

Combine like terms: 3n + -7n = -4n
-18 + -4n = 28 + 7n + -7n

Combine like terms: 7n + -7n = 0
-18 + -4n = 28 + 0
-18 + -4n = 28

Add '18' to each side of the equation.
-18 + 18 + -4n = 28 + 18

Combine like terms: -18 + 18 = 0
0 + -4n = 28 + 18
-4n = 28 + 18

Combine like terms: 28 + 18 = 46
-4n = 46

Divide each side by '-4'.
n = -11.5

Simplifying
n = -11.5

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