7f=2f-20

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Solution for 7f=2f-20 equation: 


Simplifying
7f = 2f + -20

Reorder the terms:
7f = -20 + 2f

Solving
7f = -20 + 2f

Solving for variable 'f'.

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

Add '-2f' to each side of the equation.
7f + -2f = -20 + 2f + -2f

Combine like terms: 7f + -2f = 5f
5f = -20 + 2f + -2f

Combine like terms: 2f + -2f = 0
5f = -20 + 0
5f = -20

Divide each side by '5'.
f = -4

Simplifying
f = -4

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