20+6f+7f-13=20f+14-7f-7

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Solution for 20+6f+7f-13=20f+14-7f-7 equation:


20+6f+7f-13=20f+14-7f-7

We simplify the equation to the form, which is simple to understand 
20+6f+7f-13=20f+14-7f-7

We move all terms containing f to the left and all other terms to the right. 
+6f+7f-20f+7f=+14-7-20+13

We simplify left and right side of the equation. 
f=0

0=0

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

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