26=f+21

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Solution for 26=f+21 equation:


Simplifying
26 = f + 21

Reorder the terms:
26 = 21 + f

Solving
26 = 21 + f

Solving for variable 'f'.

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

Add '-1f' to each side of the equation.
26 + -1f = 21 + f + -1f

Combine like terms: f + -1f = 0
26 + -1f = 21 + 0
26 + -1f = 21

Add '-26' to each side of the equation.
26 + -26 + -1f = 21 + -26

Combine like terms: 26 + -26 = 0
0 + -1f = 21 + -26
-1f = 21 + -26

Combine like terms: 21 + -26 = -5
-1f = -5

Divide each side by '-1'.
f = 5

Simplifying
f = 5

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