1/2+x=-20.5

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Solution for 1/2+x=-20.5 equation: 



1/2+x=-20.5

We move all terms to the left:

1/2+x-(-20.5)=0

We add all the numbers together, and all the variables

x+20.5+1/2=0

We multiply all the terms by the denominator


x*2+1+(20.5)*2=0

We add all the numbers together, and all the variables

x*2+42=0

Wy multiply elements

2x+42=0

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

2x=-42

x=-42/2

x=-21

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