7x-(-13)=20

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Solution for 7x-(-13)=20 equation: 



7x-(-13)=20

We move all terms to the left:

7x-(-13)-(20)=0

determiningTheFunctionDomain
7x-20-(-13)=0

We add all the numbers together, and all the variables

7x-7=0

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

7x=7

x=7/7

x=1

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