x-2(2x+1)=7

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Solution for x-2(2x+1)=7 equation: 



x-2(2x+1)=7

We move all terms to the left:

x-2(2x+1)-(7)=0

We multiply parentheses

x-4x-2-7=0

We add all the numbers together, and all the variables

-3x-9=0

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

-3x=9

x=9/-3

x=-3

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