2f-4-7=20

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Solution for 2f-4-7=20 equation:


Simplifying
2f + -4 + -7 = 20

Reorder the terms:
-4 + -7 + 2f = 20

Combine like terms: -4 + -7 = -11
-11 + 2f = 20

Solving
-11 + 2f = 20

Solving for variable 'f'.

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

Add '11' to each side of the equation.
-11 + 11 + 2f = 20 + 11

Combine like terms: -11 + 11 = 0
0 + 2f = 20 + 11
2f = 20 + 11

Combine like terms: 20 + 11 = 31
2f = 31

Divide each side by '2'.
f = 15.5

Simplifying
f = 15.5

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