11n-7=21+7n

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Solution for 11n-7=21+7n equation:


Simplifying
11n + -7 = 21 + 7n

Reorder the terms:
-7 + 11n = 21 + 7n

Solving
-7 + 11n = 21 + 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.
-7 + 11n + -7n = 21 + 7n + -7n

Combine like terms: 11n + -7n = 4n
-7 + 4n = 21 + 7n + -7n

Combine like terms: 7n + -7n = 0
-7 + 4n = 21 + 0
-7 + 4n = 21

Add '7' to each side of the equation.
-7 + 7 + 4n = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 4n = 21 + 7
4n = 21 + 7

Combine like terms: 21 + 7 = 28
4n = 28

Divide each side by '4'.
n = 7

Simplifying
n = 7

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