3=(x-1)7-4

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



3=(x-1)7-4

We move all terms to the left:

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



We calculate terms in parentheses: -((x-1)7-4), so:

(x-1)7-4

We multiply parentheses

7x-7-4

We add all the numbers together, and all the variables

7x-11

Back to the equation:

-(7x-11)



We get rid of parentheses

-7x+11+3=0

We add all the numbers together, and all the variables

-7x+14=0

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

-7x=-14

x=-14/-7

x=+2

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