100-2x=20+4x

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Solution for 100-2x=20+4x equation: 



100-2x=20+4x

We move all terms to the left:

100-2x-(20+4x)=0

We add all the numbers together, and all the variables

-2x-(4x+20)+100=0

We get rid of parentheses

-2x-4x-20+100=0

We add all the numbers together, and all the variables

-6x+80=0

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

-6x=-80

x=-80/-6

x=13+1/3

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