-7f=-f-6f

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Solution for -7f=-f-6f equation: 


Simplifying
-7f = -1f + -6f

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

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

Combine like terms: -7f + 7f = 0
0 = -7f + 7f

Combine like terms: -7f + 7f = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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