100+30x=70+80x

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Solution for 100+30x=70+80x equation: 



100+30x=70+80x

We move all terms to the left:

100+30x-(70+80x)=0

We add all the numbers together, and all the variables

30x-(80x+70)+100=0

We get rid of parentheses

30x-80x-70+100=0

We add all the numbers together, and all the variables

-50x+30=0

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

-50x=-30

x=-30/-50

x=3/5

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