.75x-9=4(x+1)

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Solution for .75x-9=4(x+1) equation: 



.75x-9=4(x+1)

We move all terms to the left:

.75x-9-(4(x+1))=0



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

4(x+1)

We multiply parentheses

4x+4

Back to the equation:

-(4x+4)



We get rid of parentheses

.75x-4x-4-9=0

We add all the numbers together, and all the variables

-3.25x-13=0

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

-3.25x=13

x=13/-3.25

x=-4

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