4=1/2-x

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Solution for 4=1/2-x equation: 



4=1/2-x

We move all terms to the left:

4-(1/2-x)=0



Domain of the equation: 2-x)!=0

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

-x)!=-2

x!=-2/1

x!=-2

x∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

1x+4-1/2=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

1x*2+7=0

Wy multiply elements

2x+7=0

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

2x=-7

x=-7/2

x=-3+1/2

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