4=-(1+x)/2

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Solution for 4=-(1+x)/2 equation: 



4=-(1+x)/2

We move all terms to the left:

4-(-(1+x)/2)=0

We add all the numbers together, and all the variables

-(-(x+1)/2)+4=0

We multiply all the terms by the denominator


-(-(x+1)+4*2)=0



We calculate terms in parentheses: -(-(x+1)+4*2), so:

-(x+1)+4*2

We add all the numbers together, and all the variables

-(x+1)+8

We get rid of parentheses

-x-1+8

We add all the numbers together, and all the variables

-1x+7

Back to the equation:

-(-1x+7)



We get rid of parentheses

1x-7=0

We add all the numbers together, and all the variables

x-7=0

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

x=7

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