20x=100-30x

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Solution for 20x=100-30x equation: 



20x=100-30x

We move all terms to the left:

20x-(100-30x)=0

We add all the numbers together, and all the variables

20x-(-30x+100)=0

We get rid of parentheses

20x+30x-100=0

We add all the numbers together, and all the variables

50x-100=0

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

50x=100

x=100/50

x=2

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