2x-4(x+3)=30

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Solution for 2x-4(x+3)=30 equation: 



2x-4(x+3)=30

We move all terms to the left:

2x-4(x+3)-(30)=0

We multiply parentheses

2x-4x-12-30=0

We add all the numbers together, and all the variables

-2x-42=0

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

-2x=42

x=42/-2

x=-21

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