x-7=3(2x-4x)

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Solution for x-7=3(2x-4x) equation: 



x-7=3(2x-4x)

We move all terms to the left:

x-7-(3(2x-4x))=0

We add all the numbers together, and all the variables

x-(3(-2x))-7=0



We calculate terms in parentheses: -(3(-2x)), so:

3(-2x)

We multiply parentheses

-6x

Back to the equation:

-(-6x)



We get rid of parentheses

x+6x-7=0

We add all the numbers together, and all the variables

7x-7=0

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

7x=7

x=7/7

x=1

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