500=(.50)(x)+(.75)(x)

Solution for 500=(.50)(x)+(.75)(x) equation:

500=(.50)(x)+(.75)(x)

We move all terms to the left:

500-((.50)(x)+(.75)(x))=0

We add all the numbers together, and all the variables

-((0.5)x+(0.75)x)+500=0


We calculate terms in parentheses: -((0.5)x+(0.75)x), so:

(0.5)x+(0.75)x

We multiply parentheses

0.5x+0.75x

We add all the numbers together, and all the variables

1.25x

Back to the equation:

-(1.25x)


We add all the numbers together, and all the variables

-(+1.25x)+500=0

We get rid of parentheses

-1.25x+500=0

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

-1.25x=-500

x=-500/-1.25

x=+400