3n-15=7n+3

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Solution for 3n-15=7n+3 equation:


Simplifying
3n + -15 = 7n + 3

Reorder the terms:
-15 + 3n = 7n + 3

Reorder the terms:
-15 + 3n = 3 + 7n

Solving
-15 + 3n = 3 + 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.
-15 + 3n + -7n = 3 + 7n + -7n

Combine like terms: 3n + -7n = -4n
-15 + -4n = 3 + 7n + -7n

Combine like terms: 7n + -7n = 0
-15 + -4n = 3 + 0
-15 + -4n = 3

Add '15' to each side of the equation.
-15 + 15 + -4n = 3 + 15

Combine like terms: -15 + 15 = 0
0 + -4n = 3 + 15
-4n = 3 + 15

Combine like terms: 3 + 15 = 18
-4n = 18

Divide each side by '-4'.
n = -4.5

Simplifying
n = -4.5

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