8(x-9)-9(x-8)=x-8-(x-4)

Solution for 8(x-9)-9(x-8)=x-8-(x-4) equation:

8(x-9)-9(x-8)=x-8-(x-4)

We move all terms to the left:

8(x-9)-9(x-8)-(x-8-(x-4))=0

We multiply parentheses

8x-9x-(x-8-(x-4))-72+72=0


We calculate terms in parentheses: -(x-8-(x-4)), so:

x-8-(x-4)

determiningTheFunctionDomain
x-(x-4)-8

We get rid of parentheses

x-x+4-8

We add all the numbers together, and all the variables

-4

Back to the equation:

-(-4)


We add all the numbers together, and all the variables

-1x+4=0

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

-x=-4

x=-4/-1

x=+4