100+30x=200+10x

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Solution for 100+30x=200+10x equation: 



100+30x=200+10x

We move all terms to the left:

100+30x-(200+10x)=0

We add all the numbers together, and all the variables

30x-(10x+200)+100=0

We get rid of parentheses

30x-10x-200+100=0

We add all the numbers together, and all the variables

20x-100=0

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

20x=100

x=100/20

x=5

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