7=(12+x)/(-4)

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Solution for 7=(12+x)/(-4) equation: 



7=(12+x)/(-4)

We move all terms to the left:

7-((12+x)/(-4))=0

We add all the numbers together, and all the variables

-((x+12)/(-4))+7=0

We multiply all the terms by the denominator


-((x+12)+7*(-4))=0



We calculate terms in parentheses: -((x+12)+7*(-4)), so:

(x+12)+7*(-4)

We add all the numbers together, and all the variables

(x+12)-28

We get rid of parentheses

x+12-28

We add all the numbers together, and all the variables

x-16

Back to the equation:

-(x-16)



We get rid of parentheses

-x+16=0

We add all the numbers together, and all the variables

-1x+16=0

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

-x=-16

x=-16/-1

x=+16

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