7x-3(-7-6)=18

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Solution for 7x-3(-7-6)=18 equation: 



7x-3(-7-6)=18

We move all terms to the left:

7x-3(-7-6)-(18)=0

determiningTheFunctionDomain
7x-18-3(-7-6)=0

We add all the numbers together, and all the variables

7x-18-3(-13)=0

We add all the numbers together, and all the variables

7x+21=0

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

7x=-21

x=-21/7

x=-3

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