3=-1+x/2

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Solution for 3=-1+x/2 equation: 



3=-1+x/2

We move all terms to the left:

3-(-1+x/2)=0

We add all the numbers together, and all the variables

-(x/2-1)+3=0

We get rid of parentheses

-x/2+1+3=0

We multiply all the terms by the denominator


-x+1*2+3*2=0

We add all the numbers together, and all the variables

-1x+8=0

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

-x=-8

x=-8/-1

x=+8

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