-6f-5+7f=21

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Solution for -6f-5+7f=21 equation: 


Simplifying
-6f + -5 + 7f = 21

Reorder the terms:
-5 + -6f + 7f = 21

Combine like terms: -6f + 7f = 1f
-5 + 1f = 21

Solving
-5 + 1f = 21

Solving for variable 'f'.

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

Add '5' to each side of the equation.
-5 + 5 + 1f = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 1f = 21 + 5
1f = 21 + 5

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

Divide each side by '1'.
f = 26

Simplifying
f = 26

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