7=3(x-1)-4(x-1)

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Solution for 7=3(x-1)-4(x-1) equation: 



7=3(x-1)-4(x-1)

We move all terms to the left:

7-(3(x-1)-4(x-1))=0



We calculate terms in parentheses: -(3(x-1)-4(x-1)), so:

3(x-1)-4(x-1)

We multiply parentheses

3x-4x-3+4

We add all the numbers together, and all the variables

-1x+1

Back to the equation:

-(-1x+1)



We get rid of parentheses

1x-1+7=0

We add all the numbers together, and all the variables

x+6=0

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

x=-6

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