(X-1)+4=9-(7x+78)

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Solution for (X-1)+4=9-(7x+78) equation: 



(X-1)+4=9-(7X+78)

We move all terms to the left:

(X-1)+4-(9-(7X+78))=0

We get rid of parentheses

X-(9-(7X+78))-1+4=0



We calculate terms in parentheses: -(9-(7X+78)), so:

9-(7X+78)

determiningTheFunctionDomain
-(7X+78)+9

We get rid of parentheses

-7X-78+9

We add all the numbers together, and all the variables

-7X-69

Back to the equation:

-(-7X-69)



We add all the numbers together, and all the variables

X-(-7X-69)+3=0

We get rid of parentheses

X+7X+69+3=0

We add all the numbers together, and all the variables

8X+72=0

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

8X=-72

X=-72/8

X=-9

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