123=7x-5+2+7x

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Solution for 123=7x-5+2+7x equation: 



123=7x-5+2+7x

We move all terms to the left:

123-(7x-5+2+7x)=0

We add all the numbers together, and all the variables

-(14x-3)+123=0

We get rid of parentheses

-14x+3+123=0

We add all the numbers together, and all the variables

-14x+126=0

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

-14x=-126

x=-126/-14

x=+9

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