100(3-x)+500x=8500

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Solution for 100(3-x)+500x=8500 equation: 



100(3-x)+500x=8500

We move all terms to the left:

100(3-x)+500x-(8500)=0

We add all the numbers together, and all the variables

100(-1x+3)+500x-8500=0

We add all the numbers together, and all the variables

500x+100(-1x+3)-8500=0

We multiply parentheses

500x-100x+300-8500=0

We add all the numbers together, and all the variables

400x-8200=0

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

400x=8200

x=8200/400

x=20+1/2

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