7n-8=3n+4

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Solution for 7n-8=3n+4 equation:


Simplifying
7n + -8 = 3n + 4

Reorder the terms:
-8 + 7n = 3n + 4

Reorder the terms:
-8 + 7n = 4 + 3n

Solving
-8 + 7n = 4 + 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.
-8 + 7n + -3n = 4 + 3n + -3n

Combine like terms: 7n + -3n = 4n
-8 + 4n = 4 + 3n + -3n

Combine like terms: 3n + -3n = 0
-8 + 4n = 4 + 0
-8 + 4n = 4

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

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

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

Divide each side by '4'.
n = 3

Simplifying
n = 3

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