7n-5=4n+7

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


Simplifying
7n + -5 = 4n + 7

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

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

Solving
-5 + 7n = 7 + 4n

Solving for variable 'n'.

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

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

Combine like terms: 7n + -4n = 3n
-5 + 3n = 7 + 4n + -4n

Combine like terms: 4n + -4n = 0
-5 + 3n = 7 + 0
-5 + 3n = 7

Add '5' to each side of the equation.
-5 + 5 + 3n = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 3n = 7 + 5
3n = 7 + 5

Combine like terms: 7 + 5 = 12
3n = 12

Divide each side by '3'.
n = 4

Simplifying
n = 4

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