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

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

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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

3x-(4x-4+3(-1x+7))-9=0


We calculate terms in parentheses: -(4x-4+3(-1x+7)), so:

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

determiningTheFunctionDomain
4x+3(-1x+7)-4

We multiply parentheses

4x-3x+21-4

We add all the numbers together, and all the variables

x+17

Back to the equation:

-(x+17)


We get rid of parentheses

3x-x-17-9=0

We add all the numbers together, and all the variables

2x-26=0

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

2x=26

x=26/2

x=13