7n-4=5n-4

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Solution for 7n-4=5n-4 equation:


Simplifying
7n + -4 = 5n + -4

Reorder the terms:
-4 + 7n = 5n + -4

Reorder the terms:
-4 + 7n = -4 + 5n

Add '4' to each side of the equation.
-4 + 4 + 7n = -4 + 4 + 5n

Combine like terms: -4 + 4 = 0
0 + 7n = -4 + 4 + 5n
7n = -4 + 4 + 5n

Combine like terms: -4 + 4 = 0
7n = 0 + 5n
7n = 5n

Solving
7n = 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
7n + -5n = 5n + -5n

Combine like terms: 7n + -5n = 2n
2n = 5n + -5n

Combine like terms: 5n + -5n = 0
2n = 0

Divide each side by '2'.
n = 0

Simplifying
n = 0

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