2(7-x)-20=7x-6-9x

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Solution for 2(7-x)-20=7x-6-9x equation: 



2(7-x)-20=7x-6-9x

We move all terms to the left:

2(7-x)-20-(7x-6-9x)=0

We add all the numbers together, and all the variables

2(-1x+7)-(-2x-6)-20=0

We multiply parentheses

-2x-(-2x-6)+14-20=0

We get rid of parentheses

-2x+2x+6+14-20=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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