343=7(7x-2)+2x

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Solution for 343=7(7x-2)+2x equation: 



343=7(7x-2)+2x

We move all terms to the left:

343-(7(7x-2)+2x)=0



We calculate terms in parentheses: -(7(7x-2)+2x), so:

7(7x-2)+2x

We add all the numbers together, and all the variables

2x+7(7x-2)

We multiply parentheses

2x+49x-14

We add all the numbers together, and all the variables

51x-14

Back to the equation:

-(51x-14)



We get rid of parentheses

-51x+14+343=0

We add all the numbers together, and all the variables

-51x+357=0

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

-51x=-357

x=-357/-51

x=+7

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