7(8x-20)=420

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Solution for 7(8x-20)=420 equation: 



7(8x-20)=420

We move all terms to the left:

7(8x-20)-(420)=0

We multiply parentheses

56x-140-420=0

We add all the numbers together, and all the variables

56x-560=0

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

56x=560

x=560/56

x=10

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