6(7x-21)=420

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Solution for 6(7x-21)=420 equation: 



6(7x-21)=420

We move all terms to the left:

6(7x-21)-(420)=0

We multiply parentheses

42x-126-420=0

We add all the numbers together, and all the variables

42x-546=0

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

42x=546

x=546/42

x=13

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