3x-4-5x=7(x-7)=

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Solution for 3x-4-5x=7(x-7)= equation: 



3x-4-5x=7(x-7)=

We move all terms to the left:

3x-4-5x-(7(x-7))=0

We add all the numbers together, and all the variables

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



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

7(x-7)

We multiply parentheses

7x-49

Back to the equation:

-(7x-49)



We get rid of parentheses

-2x-7x+49-4=0

We add all the numbers together, and all the variables

-9x+45=0

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

-9x=-45

x=-45/-9

x=+5

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