100=(50+x)/2

Solution for 100=(50+x)/2 equation:

100=(50+x)/2

We move all terms to the left:

100-((50+x)/2)=0

We add all the numbers together, and all the variables

-((x+50)/2)+100=0

We multiply all the terms by the denominator


-((x+50)+100*2)=0


We calculate terms in parentheses: -((x+50)+100*2), so:

(x+50)+100*2

We add all the numbers together, and all the variables

(x+50)+200

We get rid of parentheses

x+50+200

We add all the numbers together, and all the variables

x+250

Back to the equation:

-(x+250)


We get rid of parentheses

-x-250=0

We add all the numbers together, and all the variables

-1x-250=0

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

-x=250

x=250/-1

x=-250