7n-21=m

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Solution for 7n-21=m equation: 


Simplifying
7n + -21 = m

Reorder the terms:
-21 + 7n = m

Solving
-21 + 7n = m

Solving for variable 'n'.

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

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

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

Divide each side by '7'.
n = 3 + 0.1428571429m

Simplifying
n = 3 + 0.1428571429m

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