7+20f=20+19f

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Solution for 7+20f=20+19f equation: 



7+20f=20+19f

We move all terms to the left:

7+20f-(20+19f)=0

We add all the numbers together, and all the variables

20f-(19f+20)+7=0

We get rid of parentheses

20f-19f-20+7=0

We add all the numbers together, and all the variables

f-13=0

We move all terms containing f to the left, all other terms to the right

f=13

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