3n-5=7m-21

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Solution for 3n-5=7m-21 equation:


Simplifying
3n + -5 = 7m + -21

Reorder the terms:
-5 + 3n = 7m + -21

Reorder the terms:
-5 + 3n = -21 + 7m

Solving
-5 + 3n = -21 + 7m

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 3n = -21 + 5 + 7m

Combine like terms: -5 + 5 = 0
0 + 3n = -21 + 5 + 7m
3n = -21 + 5 + 7m

Combine like terms: -21 + 5 = -16
3n = -16 + 7m

Divide each side by '3'.
n = -5.333333333 + 2.333333333m

Simplifying
n = -5.333333333 + 2.333333333m

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