7(5x-9)-9(x+6)=20-4(4x-8)

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Solution for 7(5x-9)-9(x+6)=20-4(4x-8) equation: 



7(5x-9)-9(x+6)=20-4(4x-8)

We move all terms to the left:

7(5x-9)-9(x+6)-(20-4(4x-8))=0

We multiply parentheses

35x-9x-(20-4(4x-8))-63-54=0



We calculate terms in parentheses: -(20-4(4x-8)), so:

20-4(4x-8)

determiningTheFunctionDomain
-4(4x-8)+20

We multiply parentheses

-16x+32+20

We add all the numbers together, and all the variables

-16x+52

Back to the equation:

-(-16x+52)



We add all the numbers together, and all the variables

26x-(-16x+52)-117=0

We get rid of parentheses

26x+16x-52-117=0

We add all the numbers together, and all the variables

42x-169=0

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

42x=169

x=169/42

x=4+1/42

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