21f+15=51

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Solution for 21f+15=51 equation: 


Simplifying
21f + 15 = 51

Reorder the terms:
15 + 21f = 51

Solving
15 + 21f = 51

Solving for variable 'f'.

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

Add '-15' to each side of the equation.
15 + -15 + 21f = 51 + -15

Combine like terms: 15 + -15 = 0
0 + 21f = 51 + -15
21f = 51 + -15

Combine like terms: 51 + -15 = 36
21f = 36

Divide each side by '21'.
f = 1.714285714

Simplifying
f = 1.714285714

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