100=(1000+4200*1*x)/(4200*1)

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Solution for 100=(1000+4200*1*x)/(4200*1) equation: 



100=(1000+4200*1x)/(4200*1)

We move all terms to the left:

100-((1000+4200*1x)/(4200*1))=0

We add all the numbers together, and all the variables

-((4200*1x+1000)/4200)+100=0

We multiply all the terms by the denominator


-((4200*1x+1000)+100*4200)=0



We calculate terms in parentheses: -((4200*1x+1000)+100*4200), so:

(4200*1x+1000)+100*4200

We add all the numbers together, and all the variables

(4200*1x+1000)+420000

We get rid of parentheses

4200*1x+1000+420000

We add all the numbers together, and all the variables

4200*1x+421000

Wy multiply elements

4200x+421000

Back to the equation:

-(4200x+421000)



We get rid of parentheses

-4200x-421000=0

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

-4200x=421000

x=421000/-4200

x=-100+5/21

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