-20=x/2+1

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Solution for -20=x/2+1 equation: 



-20=x/2+1

We move all terms to the left:

-20-(x/2+1)=0

We get rid of parentheses

-x/2-1-20=0

We multiply all the terms by the denominator


-x-1*2-20*2=0

We add all the numbers together, and all the variables

-1x-42=0

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

-x=42

x=42/-1

x=-42

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