7n-4=3n-12

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Solution for 7n-4=3n-12 equation:


Simplifying
7n + -4 = 3n + -12

Reorder the terms:
-4 + 7n = 3n + -12

Reorder the terms:
-4 + 7n = -12 + 3n

Solving
-4 + 7n = -12 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-4 + 7n + -3n = -12 + 3n + -3n

Combine like terms: 7n + -3n = 4n
-4 + 4n = -12 + 3n + -3n

Combine like terms: 3n + -3n = 0
-4 + 4n = -12 + 0
-4 + 4n = -12

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

Combine like terms: -4 + 4 = 0
0 + 4n = -12 + 4
4n = -12 + 4

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

Divide each side by '4'.
n = -2

Simplifying
n = -2

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