7(-10x+10)=420

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Solution for 7(-10x+10)=420 equation: 



7(-10x+10)=420

We move all terms to the left:

7(-10x+10)-(420)=0

We multiply parentheses

-70x+70-420=0

We add all the numbers together, and all the variables

-70x-350=0

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

-70x=350

x=350/-70

x=-5

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