2f-10=20

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Solution for 2f-10=20 equation: 


Simplifying
2f + -10 = 20

Reorder the terms:
-10 + 2f = 20

Solving
-10 + 2f = 20

Solving for variable 'f'.

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

Add '10' to each side of the equation.
-10 + 10 + 2f = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 2f = 20 + 10
2f = 20 + 10

Combine like terms: 20 + 10 = 30
2f = 30

Divide each side by '2'.
f = 15

Simplifying
f = 15

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