7(7x-3)=126

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Solution for 7(7x-3)=126 equation: 



7(7x-3)=126

We move all terms to the left:

7(7x-3)-(126)=0

We multiply parentheses

49x-21-126=0

We add all the numbers together, and all the variables

49x-147=0

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

49x=147

x=147/49

x=3

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