3(X+1)=9(x-4)

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Solution for 3(X+1)=9(x-4) equation: 



3(X+1)=9(X-4)

We move all terms to the left:

3(X+1)-(9(X-4))=0

We multiply parentheses

3X-(9(X-4))+3=0



We calculate terms in parentheses: -(9(X-4)), so:

9(X-4)

We multiply parentheses

9X-36

Back to the equation:

-(9X-36)



We get rid of parentheses

3X-9X+36+3=0

We add all the numbers together, and all the variables

-6X+39=0

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

-6X=-39

X=-39/-6

X=6+1/2

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