12f+10k+2n+21n-13f-2n+15k=

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Solution for 12f+10k+2n+21n-13f-2n+15k= equation:


Simplifying
12f + 10k + 2n + 21n + -13f + -2n + 15k = 0

Reorder the terms:
12f + -13f + 10k + 15k + 2n + 21n + -2n = 0

Combine like terms: 12f + -13f = -1f
-1f + 10k + 15k + 2n + 21n + -2n = 0

Combine like terms: 10k + 15k = 25k
-1f + 25k + 2n + 21n + -2n = 0

Combine like terms: 2n + 21n = 23n
-1f + 25k + 23n + -2n = 0

Combine like terms: 23n + -2n = 21n
-1f + 25k + 21n = 0

Solving
-1f + 25k + 21n = 0

Solving for variable 'f'.

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

Add '-25k' to each side of the equation.
-1f + 25k + -25k + 21n = 0 + -25k

Combine like terms: 25k + -25k = 0
-1f + 0 + 21n = 0 + -25k
-1f + 21n = 0 + -25k
Remove the zero:
-1f + 21n = -25k

Add '-21n' to each side of the equation.
-1f + 21n + -21n = -25k + -21n

Combine like terms: 21n + -21n = 0
-1f + 0 = -25k + -21n
-1f = -25k + -21n

Divide each side by '-1'.
f = 25k + 21n

Simplifying
f = 25k + 21n

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